{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Important" }, "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "text": "Copyright © Red Hat, Inc. All rights reserved.", "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "summary", "text": "An update for thunderbird is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.", "title": "Topic" }, { "category": "general", "text": "Mozilla Thunderbird is a standalone mail and newsgroup client.\n\nSecurity Fix(es):\n\n* firefox: Spoofing issue in the Downloads Panel component (CVE-2025-14327)\n\n* firefox: Use-after-free in the JavaScript: GC component (CVE-2026-0885)\n\n* firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147 (CVE-2026-0891)\n\n* firefox: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-0878)\n\n* firefox: Use-after-free in the IPC component (CVE-2026-0882)\n\n* firefox: Use-after-free in the JavaScript Engine component (CVE-2026-0884)\n\n* firefox: Information disclosure in the Networking component (CVE-2026-0883)\n\n* firefox: Mitigation bypass in the DOM: Security component (CVE-2026-0877)\n\n* firefox: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component (CVE-2026-0890)\n\n* firefox: Clickjacking issue, information disclosure in the PDF Viewer component (CVE-2026-0887)\n\n* firefox: Sandbox escape due to incorrect boundary conditions in the Graphics component (CVE-2026-0879)\n\n* firefox: Sandbox escape due to integer overflow in the Graphics component (CVE-2026-0880)\n\n* firefox: Incorrect boundary conditions in the Graphics component (CVE-2026-0886)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "title": "Details" }, { "category": "legal_disclaimer", "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.", "title": "Terms of Use" } ], "publisher": { "category": "vendor", "contact_details": "https://access.redhat.com/security/team/contact/", "issuing_authority": "Red Hat Product Security is responsible for vulnerability handling across all Red Hat products and services.", "name": "Red Hat Product Security", "namespace": "https://www.redhat.com" }, "references": [ { "category": "self", "summary": "https://access.redhat.com/errata/RHSA-2026:1487", "url": "https://access.redhat.com/errata/RHSA-2026:1487" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/#important", "url": "https://access.redhat.com/security/updates/classification/#important" }, { "category": "external", "summary": "2420507", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420507" }, { "category": "external", "summary": "2428961", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428961" }, { "category": "external", "summary": "2428963", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428963" }, { "category": "external", "summary": "2428965", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428965" }, { "category": "external", "summary": "2428966", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428966" }, { "category": "external", "summary": "2428967", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428967" }, { "category": "external", "summary": "2428968", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428968" }, { "category": "external", "summary": "2428969", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428969" }, { "category": "external", "summary": "2428971", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428971" }, { "category": "external", "summary": "2428972", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428972" }, { "category": "external", "summary": "2428973", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428973" }, { "category": "external", "summary": "2428975", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428975" }, { "category": "external", "summary": "2428978", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428978" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1487.json" } ], "title": "Red Hat Security Advisory: thunderbird security update", "tracking": { "current_release_date": "2026-06-30T14:14:55+00:00", "generator": { "date": "2026-06-30T14:14:55+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.1" } }, "id": "RHSA-2026:1487", "initial_release_date": "2026-01-28T15:04:33+00:00", "revision_history": [ { "date": "2026-01-28T15:04:33+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-01-28T15:04:33+00:00", "number": "2", "summary": "Last updated version" }, { "date": 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The Mozilla Foundation's Security Advisory describes the following issue:\nSpoofing issue in the Downloads Panel component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: Spoofing issue in the Downloads Panel component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2025-14327" }, { "category": "external", "summary": "RHBZ#2420507", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2420507" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2025-14327", "url": "https://www.cve.org/CVERecord?id=CVE-2025-14327" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-14327", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-14327" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2025-14327", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2025-14327" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2025-14327", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2025-14327" } ], "release_date": "2025-12-09T13:38:02.260000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 7.1, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "firefox: Spoofing issue in the Downloads Panel component" }, { "cve": "CVE-2026-0877", "discovery_date": "2026-01-13T14:01:52.660318+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428969" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nMitigation bypass in the DOM: Security component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Mitigation bypass in the DOM: Security component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-0877" }, { "category": "external", "summary": "RHBZ#2428969", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428969" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0877", "url": "https://www.cve.org/CVERecord?id=CVE-2026-0877" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0877", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0877" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0877", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0877" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0877", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0877" } ], "release_date": "2026-01-13T13:30:52.979000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "firefox: thunderbird: Mitigation bypass in the DOM: Security component" }, { "cve": "CVE-2026-0878", "discovery_date": "2026-01-13T14:01:34.680657+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428965" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nSandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-0878" }, { "category": "external", "summary": "RHBZ#2428965", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428965" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0878", "url": "https://www.cve.org/CVERecord?id=CVE-2026-0878" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0878", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0878" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0878", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0878" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0878", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0878" } ], "release_date": "2026-01-13T13:30:53.697000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics: CanvasWebGL component" }, { "cve": "CVE-2026-0879", "discovery_date": "2026-01-13T14:02:19.289137+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428973" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nSandbox escape due to incorrect boundary conditions in the Graphics component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-0879" }, { "category": "external", "summary": "RHBZ#2428973", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428973" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0879", "url": "https://www.cve.org/CVERecord?id=CVE-2026-0879" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0879", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0879" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0879", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0879" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0879", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0879" } ], "release_date": "2026-01-13T13:30:54.207000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "firefox: thunderbird: Sandbox escape due to incorrect boundary conditions in the Graphics component" }, { "cve": "CVE-2026-0880", "discovery_date": "2026-01-13T14:02:28.897006+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428975" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nSandbox escape due to integer overflow in the Graphics component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Sandbox escape due to integer overflow in the Graphics component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", 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"url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0880" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0880", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0880" } ], "release_date": "2026-01-13T13:30:54.679000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "firefox: thunderbird: Sandbox escape due to integer overflow in the Graphics component" }, { "cve": "CVE-2026-0882", "discovery_date": "2026-01-13T14:01:39.370850+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428966" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nUse-after-free in the IPC component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Use-after-free in the IPC component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-0882" }, { "category": "external", "summary": "RHBZ#2428966", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428966" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0882", "url": "https://www.cve.org/CVERecord?id=CVE-2026-0882" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0882", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0882" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0882", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0882" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0882", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0882" } ], "release_date": "2026-01-13T13:30:55.562000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "firefox: thunderbird: Use-after-free in the IPC component" }, { "cve": "CVE-2026-0883", "discovery_date": "2026-01-13T14:01:48.198702+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428968" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nInformation disclosure in the Networking component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Information disclosure in the Networking component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", 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"https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0883" } ], "release_date": "2026-01-13T13:30:56.043000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "firefox: thunderbird: Information disclosure in the Networking component" }, { "cve": "CVE-2026-0884", "discovery_date": "2026-01-13T14:01:43.753880+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428967" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nUse-after-free in the JavaScript Engine component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Use-after-free in the JavaScript Engine component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-0884" }, { "category": "external", "summary": "RHBZ#2428967", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428967" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0884", "url": "https://www.cve.org/CVERecord?id=CVE-2026-0884" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0884", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0884" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0884", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0884" } ], "release_date": "2026-01-13T13:30:56.543000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "firefox: thunderbird: Use-after-free in the JavaScript Engine component" }, { "cve": "CVE-2026-0885", "discovery_date": "2026-01-13T14:01:13.997792+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428961" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nUse-after-free in the JavaScript: GC component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Use-after-free in the JavaScript: GC component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "firefox: thunderbird: Use-after-free in the JavaScript: GC component" }, { "cve": "CVE-2026-0886", "discovery_date": "2026-01-13T14:02:42.472460+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428978" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nIncorrect boundary conditions in the Graphics component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Incorrect boundary conditions in the Graphics component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", 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"https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0886" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0886", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0886" } ], "release_date": "2026-01-13T13:30:57.400000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "firefox: thunderbird: Incorrect boundary conditions in the Graphics component" }, { "cve": "CVE-2026-0887", "discovery_date": "2026-01-13T14:02:13.510504+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428972" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nClickjacking issue, information disclosure in the PDF Viewer component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Clickjacking issue, information disclosure in the PDF Viewer component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-0887" }, { "category": "external", "summary": "RHBZ#2428972", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428972" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0887", "url": "https://www.cve.org/CVERecord?id=CVE-2026-0887" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0887", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0887" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0887", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0887" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0887", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0887" } ], "release_date": "2026-01-13T13:30:57.847000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "firefox: thunderbird: Clickjacking issue, information disclosure in the PDF Viewer component" }, { "cve": "CVE-2026-0890", "discovery_date": "2026-01-13T14:02:04.121462+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428971" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nSpoofing issue in the DOM: Copy & Paste and Drag & Drop component", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-0890" }, { "category": "external", "summary": "RHBZ#2428971", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428971" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0890", "url": "https://www.cve.org/CVERecord?id=CVE-2026-0890" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0890", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0890" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0890", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0890" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0890", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0890" } ], "release_date": "2026-01-13T13:30:59.089000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.4, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "firefox: thunderbird: Spoofing issue in the DOM: Copy & Paste and Drag & Drop component" }, { "cve": "CVE-2026-0891", "discovery_date": "2026-01-13T14:01:25.941404+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2428963" } ], "notes": [ { "category": "description", "text": "A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue:\nMemory safety bugs present in Firefox ESR 140.6, Thunderbird ESR 140.6, Firefox 146 and Thunderbird 146. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code.", "title": "Vulnerability description" }, { "category": "summary", "text": "firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147", "title": "Vulnerability summary" }, { "category": "other", "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.", "title": "Statement" }, { "category": "general", "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.", "title": "CVSS score applicability" } ], "product_status": { "fixed": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", 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"AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-0891" }, { "category": "external", "summary": "RHBZ#2428963", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2428963" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-0891", "url": "https://www.cve.org/CVERecord?id=CVE-2026-0891" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-0891", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-0891" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0891", "url": "https://www.mozilla.org/security/advisories/mfsa2026-03/#CVE-2026-0891" }, { "category": "external", "summary": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0891", "url": "https://www.mozilla.org/security/advisories/mfsa2026-05/#CVE-2026-0891" } ], "release_date": "2026-01-13T13:30:59.454000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-01-28T15:04:33+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258", "product_ids": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:1487" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1" }, "products": [ "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.AUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.AUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.E4S:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.aarch64", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.ppc64le", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.s390x", "AppStream-8.6.0.Z.E4S:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.src", "AppStream-8.6.0.Z.TUS:thunderbird-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debuginfo-0:140.7.0-1.el8_6.x86_64", "AppStream-8.6.0.Z.TUS:thunderbird-debugsource-0:140.7.0-1.el8_6.x86_64" ] } ], "threats": [ { "category": "impact", "details": "Important" } ], "title": "firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.7, Thunderbird ESR 140.7, Firefox 147 and Thunderbird 147" } ] }