{ "document": { "aggregate_severity": { "namespace": "https://access.redhat.com/security/updates/classification/", "text": "Moderate" }, "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 Red Hat Hardened Images RPMs is now available.", "title": "Topic" }, { "category": "general", "text": "This update includes the following RPMs:\n\ntomcat11:\n * tomcat11-11.0.22-0.1.hum1 (noarch)\n * tomcat11-admin-webapps-11.0.22-0.1.hum1 (noarch)\n * tomcat11-common-11.0.22-0.1.hum1 (noarch)\n * tomcat11-docs-webapp-11.0.22-0.1.hum1 (noarch)\n * tomcat11-el-6.0-api-11.0.22-0.1.hum1 (noarch)\n * tomcat11-jsp-4.0-api-11.0.22-0.1.hum1 (noarch)\n * tomcat11-lib-11.0.22-0.1.hum1 (noarch)\n * tomcat11-servlet-6.1-api-11.0.22-0.1.hum1 (noarch)\n * tomcat11-user-instance-11.0.22-0.1.hum1 (noarch)\n * tomcat11-webapps-11.0.22-0.1.hum1 (noarch)\n * tomcat11-11.0.22-0.1.hum1.src (src)", "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-2026:13745", "url": "https://access.redhat.com/errata/RHSA-2026:13745" }, { "category": "external", "summary": "https://images.redhat.com/", "url": "https://images.redhat.com/" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-43512", "url": "https://access.redhat.com/security/cve/CVE-2026-43512" }, { "category": "external", "summary": "https://access.redhat.com/security/updates/classification/", "url": "https://access.redhat.com/security/updates/classification/" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-43515", "url": "https://access.redhat.com/security/cve/CVE-2026-43515" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-42498", "url": "https://access.redhat.com/security/cve/CVE-2026-42498" }, { "category": "external", "summary": "https://access.redhat.com/security/cve/CVE-2026-43514", "url": "https://access.redhat.com/security/cve/CVE-2026-43514" }, { "category": "self", "summary": "Canonical URL", "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_13745.json" } ], "title": "Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update", "tracking": { "current_release_date": "2026-06-30T17:01:30+00:00", "generator": { "date": "2026-06-30T17:01:30+00:00", "engine": { "name": "Red Hat SDEngine", "version": "5.3.1" } }, "id": "RHSA-2026:13745", "initial_release_date": "2026-05-05T13:37:49+00:00", "revision_history": [ { "date": "2026-05-05T13:37:49+00:00", "number": "1", "summary": "Initial version" }, { "date": "2026-06-16T12:31:54+00:00", "number": "2", "summary": "Last updated version" }, { "date": "2026-06-30T17:01:30+00:00", "number": "3", "summary": "Last generated version" } ], "status": "final", "version": "3" } }, "product_tree": { "branches": [ { "branches": [ { "branches": [ { "category": "product_name", "name": "Red Hat Hardened Images", "product": { "name": "Red Hat Hardened Images", "product_id": "Red Hat Hardened Images", "product_identification_helper": { "cpe": "cpe:/a:redhat:hummingbird:1" } } } ], "category": "product_family", "name": "Red Hat Hardened Images" }, { "branches": [ { "category": "product_version", "name": "tomcat11-main@noarch", "product": { "name": "tomcat11-main@noarch", "product_id": "tomcat11-main@noarch", "product_identification_helper": { "purl": "pkg:rpm/redhat/tomcat11@11.0.22-0.1.hum1?arch=noarch&distro=hummingbird-20251124&repository_id=public-hummingbird-x86_64-rpms" } } } ], "category": "architecture", "name": "noarch" }, { "branches": [ { "category": "product_version", "name": "tomcat11-main@src", "product": { "name": "tomcat11-main@src", "product_id": "tomcat11-main@src", "product_identification_helper": { "purl": "pkg:rpm/redhat/tomcat11@11.0.22-0.1.hum1?arch=src&distro=hummingbird-20251124&repository_id=public-hummingbird-source-rpms" } } } ], "category": "architecture", "name": "src" } ], "category": "vendor", "name": "Red Hat" } ], "relationships": [ { "category": "default_component_of", "full_product_name": { "name": "tomcat11-main@noarch as a component of Red Hat Hardened Images", "product_id": "Red Hat Hardened Images:tomcat11-main@noarch" }, "product_reference": "tomcat11-main@noarch", "relates_to_product_reference": "Red Hat Hardened Images" }, { "category": "default_component_of", "full_product_name": { "name": "tomcat11-main@src as a component of Red Hat Hardened Images", "product_id": "Red Hat Hardened Images:tomcat11-main@src" }, "product_reference": "tomcat11-main@src", "relates_to_product_reference": "Red Hat Hardened Images" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-42498", "cwe": { "id": "CWE-201", "name": "Insertion of Sensitive Information Into Sent Data" }, "discovery_date": "2026-05-12T16:01:38.872167+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2476516" } ], "notes": [ { "category": "description", "text": "A flaw was found in Apache Tomcat. During WebSocket authentication, the HTTP Authentication Header can be exposed to unexpected hosts. This vulnerability leads to information disclosure, potentially allowing an attacker to gain access to sensitive authentication credentials.", "title": "Vulnerability description" }, { "category": "summary", "text": "tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication.", "title": "Vulnerability summary" }, { "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": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-42498" }, { "category": "external", "summary": "RHBZ#2476516", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476516" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-42498", "url": "https://www.cve.org/CVERecord?id=CVE-2026-42498" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-42498", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42498" }, { "category": "external", "summary": "https://lists.apache.org/thread/n61zwf75jrv09rz90j4jssncm244bwdb", "url": "https://lists.apache.org/thread/n61zwf75jrv09rz90j4jssncm244bwdb" } ], "release_date": "2026-05-12T15:17:56.531000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-05-05T13:37:49+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/", "product_ids": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:13745" } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" }, "products": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "tomcat-coyote: Apache Tomcat: Information disclosure due to HTTP Authentication Header exposure during WebSocket authentication." }, { "cve": "CVE-2026-43512", "cwe": { "id": "CWE-303", "name": "Incorrect Implementation of Authentication Algorithm" }, "discovery_date": "2026-05-12T16:01:26.008892+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2476511" } ], "notes": [ { "category": "description", "text": "A flaw was found in Apache Tomcat. When DIGEST authentication was configured, any user not known to the configured Realm would be authenticated if they presented the password \"null\". This allows a remote attacker to bypass security controls.", "title": "Vulnerability description" }, { "category": "summary", "text": "tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication", "title": "Vulnerability summary" }, { "category": "other", "text": "This Moderate flaw in Apache Tomcat allows an authentication bypass when DIGEST authentication is configured. An attacker can authenticate as any unknown user by providing the password 'null', potentially gaining unauthorized access to applications protected by DIGEST authentication. Red Hat products are only affected if they are configured to use DIGEST authentication, which is not a common, out of the box and expected configuration for Production environments. \n\nFurthermore, because the unknown user is not mapped to any valid realm roles, their access is still restricted by standard application authorization constraints, significantly limiting the actual impact.\n\nThe unknown user is not mapped to any existing user, which means, it does not steal credentials nor impersonate an existing user. This new user is expected to have the minimum possible authentication and authorization range within the realm inherited roles.", "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": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-43512" }, { "category": "external", "summary": "RHBZ#2476511", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476511" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-43512", "url": "https://www.cve.org/CVERecord?id=CVE-2026-43512" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-43512", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43512" }, { "category": "external", "summary": "https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73", "url": "https://lists.apache.org/thread/7x09x7o12solvclslw3sz0288xc8wx73" } ], "release_date": "2026-05-12T15:24:02.424000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-05-05T13:37:49+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/", "product_ids": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:13745" }, { "category": "workaround", "details": "To mitigate this issue, disable DIGEST authentication within Apache Tomcat if it is not essential for your environment. This involves modifying the server's authentication configuration to utilize alternative methods or remove the DIGEST realm. A service restart is required for these changes to take effect and may impact functionality relying on DIGEST authentication.", "product_ids": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" }, "products": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "tomcat-coyote: Apache Tomcat: Authentication bypass via digest authentication" }, { "cve": "CVE-2026-43514", "cwe": { "id": "CWE-208", "name": "Observable Timing Discrepancy" }, "discovery_date": "2026-05-12T16:01:28.665836+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2476512" } ], "notes": [ { "category": "description", "text": "A flaw was found in Apache Tomcat. The AJP secret was comparable in non-constant time, allowing an attacker on the local network to mount a timing attack to determine the AJP secret, which may lead to unauthorized access or other security bypasses.", "title": "Vulnerability description" }, { "category": "summary", "text": "tomcat-coyote: Apache Tomcat: Information disclosure via AJP secret timing discrepancy", "title": "Vulnerability summary" }, { "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": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-43514" }, { "category": "external", "summary": "RHBZ#2476512", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476512" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-43514", "url": "https://www.cve.org/CVERecord?id=CVE-2026-43514" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-43514", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43514" }, { "category": "external", "summary": "https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m", "url": "https://lists.apache.org/thread/2k654v5cq123npfsd1b2kk1y30owqb1m" } ], "release_date": "2026-05-12T15:32:09.858000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-05-05T13:37:49+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/", "product_ids": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:13745" } ], "scores": [ { "cvss_v3": { "attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 3.7, "baseSeverity": "LOW", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1" }, "products": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] } ], "threats": [ { "category": "impact", "details": "Low" } ], "title": "tomcat-coyote: Apache Tomcat: Information disclosure via AJP secret timing discrepancy" }, { "cve": "CVE-2026-43515", "cwe": { "id": "CWE-551", "name": "Incorrect Behavior Order: Authorization Before Parsing and Canonicalization" }, "discovery_date": "2026-05-12T16:01:46.217175+00:00", "ids": [ { "system_name": "Red Hat Bugzilla ID", "text": "2476519" } ], "notes": [ { "category": "description", "text": "In Apache Tomcat, when multiple security constraints defined an HTTP method constraint for the same extension pattern, only the first method constraint was applied. A remote attacker could exploit this to bypass intended security restrictions for information or actions within the application.", "title": "Vulnerability description" }, { "category": "summary", "text": "tomcat-coyote: tomcat: Improper Authorization allows security bypass", "title": "Vulnerability summary" }, { "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": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] }, "references": [ { "category": "self", "summary": "Canonical URL", "url": "https://access.redhat.com/security/cve/CVE-2026-43515" }, { "category": "external", "summary": "RHBZ#2476519", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2476519" }, { "category": "external", "summary": "https://www.cve.org/CVERecord?id=CVE-2026-43515", "url": "https://www.cve.org/CVERecord?id=CVE-2026-43515" }, { "category": "external", "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-43515", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-43515" }, { "category": "external", "summary": "https://lists.apache.org/thread/746nxfxod0wsocxtmv8pb8nkgmwpc6bb", "url": "https://lists.apache.org/thread/746nxfxod0wsocxtmv8pb8nkgmwpc6bb" } ], "release_date": "2026-05-12T15:33:23.311000+00:00", "remediations": [ { "category": "vendor_fix", "date": "2026-05-05T13:37:49+00:00", "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\nhttps://images.redhat.com/", "product_ids": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ], "restart_required": { "category": "none" }, "url": "https://access.redhat.com/errata/RHSA-2026:13745" }, { "category": "workaround", "details": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.", "product_ids": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] } ], "scores": [ { "cvss_v3": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1" }, "products": [ "Red Hat Hardened Images:tomcat11-main@noarch", "Red Hat Hardened Images:tomcat11-main@src" ] } ], "threats": [ { "category": "impact", "details": "Moderate" } ], "title": "tomcat-coyote: tomcat: Improper Authorization allows security bypass" } ] }