{
  "document": {
    "aggregate_severity": {
      "text": "Important"
    },
    "category": "csaf_security_advisory",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "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 Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      },
      {
        "category": "details",
        "text": "* SECURITY UPDATE: out-of-bounds read in XIM trigger-key registration\n     - debian/patches/CVE-2026-94284.patch: pass the remaining payload\n       length to _XimRegisterTriggerkey() and reject on-keys/off-keys\n       lengths that do not fit before copying\n     - CVE-2026-94284\n   * SECURITY UPDATE: out-of-bounds read in byte-oriented codeset parsing\n     - debian/patches/CVE-2026-94285.patch: pass the remaining input\n       length to byteM_parse_codeset() and skip codesets longer than the\n       available bytes\n     - CVE-2026-94285",
        "title": "Details"
      }
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      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
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    "references": [
      {
        "category": "self",
        "summary": "https://cve.tuxcare.com/els/releases/CLSA-2026:1791489887",
        "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1791489887"
      },
      {
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        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/debian11els/advisories/2026/clsa-2026_1791489887.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-10-08T20:05:43Z",
      "generator": {
        "date": "2026-10-08T20:05:43Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CLSA-2026:1791489887",
      "initial_release_date": "2026-10-08T20:05:43Z",
      "revision_history": [
        {
          "date": "2026-10-08T20:05:43Z",
          "number": "1",
          "summary": "Initial version"
        }
      ],
      "status": "final",
      "version": "1"
    },
    "title": "Fix CVE(s): CVE-2026-94284, CVE-2026-94285"
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        ],
        "known_affected": [
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          "Debian-11:libx11-xcb-dev-2:1.7.2-1+deb11u2+tuxcare.els1.arm64",
          "Debian-11:libx11-xcb-dev-2:1.7.2-1+deb11u2+tuxcare.els1.armel",
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          "Debian-11:libx11-xcb1-2:1.7.2-1+deb11u2+tuxcare.els1.armel"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-94285"
        },
        {
          "category": "external",
          "summary": "https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/310/diffs?commit_id=980868483446f24f9658d26aa5bfa42f3da6dd3a",
          "url": "https://gitlab.freedesktop.org/xorg/lib/libx11/-/merge_requests/310/diffs?commit_id=980868483446f24f9658d26aa5bfa42f3da6dd3a"
        }
      ],
      "release_date": "2026-09-28T09:17:00Z",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-10-08T20:04:48.548489Z",
          "details": "Details on how to apply the fix are available at: https://cve.tuxcare.com/els/releases/CLSA-2026:1791489887",
          "product_ids": [
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            "Debian-11:libx11-6-2:1.7.2-1+deb11u2+tuxcare.els2.arm64",
            "Debian-11:libx11-6-2:1.7.2-1+deb11u2+tuxcare.els2.armel",
            "Debian-11:libx11-data-2:1.7.2-1+deb11u2+tuxcare.els2.all",
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            "Debian-11:libx11-xcb-dev-2:1.7.2-1+deb11u2+tuxcare.els2.amd64",
            "Debian-11:libx11-xcb-dev-2:1.7.2-1+deb11u2+tuxcare.els2.arm64",
            "Debian-11:libx11-xcb-dev-2:1.7.2-1+deb11u2+tuxcare.els2.armel",
            "Debian-11:libx11-xcb1-2:1.7.2-1+deb11u2+tuxcare.els2.amd64",
            "Debian-11:libx11-xcb1-2:1.7.2-1+deb11u2+tuxcare.els2.arm64",
            "Debian-11:libx11-xcb1-2:1.7.2-1+deb11u2+tuxcare.els2.armel"
          ],
          "url": "https://cve.tuxcare.com/els/releases/CLSA-2026:1791489887"
        },
        {
          "category": "none_available",
          "date": "2026-09-28T09:17:00Z",
          "details": "Affected",
          "product_ids": [
            "Debian-11:libx11-6-2:1.7.2-1+deb11u2+tuxcare.els1.amd64",
            "Debian-11:libx11-6-2:1.7.2-1+deb11u2+tuxcare.els1.arm64",
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            "Debian-11:libx11-xcb-dev-2:1.7.2-1+deb11u2+tuxcare.els1.arm64",
            "Debian-11:libx11-xcb-dev-2:1.7.2-1+deb11u2+tuxcare.els1.armel",
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            "Debian-11:libx11-xcb1-2:1.7.2-1+deb11u2+tuxcare.els1.armel"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ]
    }
  ]
}