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      "text": "Moderate"
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    "csaf_version": "2.0",
    "distribution": {
      "text": "Copyright © Red Hat, Inc. All rights reserved.",
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      {
        "category": "summary",
        "text": "Updated mailman packages that fix one security issue and several bugs are\nnow available for Red Hat Enterprise Linux 7.\n\nRed Hat Product Security has rated this update as having Moderate security\nimpact. A Common Vulnerability Scoring System (CVSS) base score, which\ngives a detailed severity rating, is available from the CVE link in the\nReferences section.",
        "title": "Topic"
      },
      {
        "category": "general",
        "text": "Mailman is a program used to help manage email discussion lists.\n\nIt was found that mailman did not sanitize the list name before passing it\nto certain MTAs. A local attacker could use this flaw to execute arbitrary\ncode as the user running mailman. (CVE-2015-2775)\n\nThis update also fixes the following bugs:\n\n* Previously, it was impossible to configure Mailman in a way that\nDomain-based Message Authentication, Reporting & Conformance (DMARC) would\nrecognize Sender alignment for Domain Key Identified Mail (DKIM)\nsignatures. Consequently, Mailman list subscribers that belonged to a mail\nserver with a \"reject\" policy for DMARC, such as yahoo.com or AOL.com, were\nunable to receive Mailman forwarded messages from senders residing in any\ndomain that provided DKIM signatures. With this update, domains with a\n\"reject\" DMARC policy are recognized correctly, and Mailman list\nadministrators are able to configure the way these messages are handled. As\na result, after a proper configuration, subscribers now correctly receive\nMailman forwarded messages in this scenario. (BZ#1229288)\n\n* Previously, the /etc/mailman file had incorrectly set permissions, which\nin some cases caused removing Mailman lists to fail with a \"'NoneType'\nobject has no attribute 'close'\" message. With this update, the permissions\nvalue for /etc/mailman is correctly set to 2775 instead of 0755, and\nremoving Mailman lists now works as expected. (BZ#1229307)\n\n* Prior to this update, the mailman utility incorrectly installed the\ntmpfiles configuration in the /etc/tmpfiles.d/ directory. As a consequence,\nchanges made to mailman tmpfiles configuration were overwritten if the\nmailman packages were reinstalled or updated. The mailman utility now\ninstalls the tmpfiles configuration in the /usr/lib/tmpfiles.d/ directory,\nand changes made to them by the user are preserved on reinstall or update.\n(BZ#1229306)\n\nAll mailman users are advised to upgrade to these updated packages, which\ncontain backported patches to correct these issues.",
        "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"
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        "summary": "1208059",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1208059"
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        "summary": "1229288",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1229288"
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        "summary": "1229307",
        "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1229307"
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        "summary": "Canonical URL",
        "url": "https://security.access.redhat.com/data/csaf/v2/advisories/2015/rhsa-2015_1153.json"
      }
    ],
    "title": "Red Hat Security Advisory: mailman security and bug fix update",
    "tracking": {
      "current_release_date": "2026-06-25T10:43:25+00:00",
      "generator": {
        "date": "2026-06-25T10:43:25+00:00",
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          "date": "2015-06-23T09:11:39+00:00",
          "number": "1",
          "summary": "Initial version"
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          "number": "2",
          "summary": "Last updated version"
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        "name": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')"
      },
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      "ids": [
        {
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          "text": "1208059"
        }
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        {
          "category": "description",
          "text": "It was found that mailman did not sanitize the list name before passing it to certain MTAs. A local attacker could use this flaw to execute arbitrary code as the user running mailman.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "mailman: directory traversal in MTA transports that deliver programmatically",
          "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"
        }
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          "url": "https://access.redhat.com/security/cve/CVE-2015-2775"
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          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2015:1153"
        }
      ],
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "LOCAL",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 4.6,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "mailman: directory traversal in MTA transports that deliver programmatically"
    }
  ]
}