{
  "cveId": "CVE-2026-94283",
  "url": "https://patchblox.com/security/cve/CVE-2026-94283",
  "summary": "CVE-2026-94283 is fixed in 5 products on 1 platform, first by libx11-6 2:1.8.13-1ubuntu0.1, released September 28, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Out-of-bounds read vulnerability in libX11\u0027s XIM (X Input Method) attribute parser",
  "description": "An out-of-bounds read vulnerability in libX11\u0027s XIM (X Input Method) attribute parser in libX11 before 1.8.14 could be used by malicious X servers to crash attached X clients.",
  "published": "2026-09-28T02:17:00Z",
  "severity": "Moderate",
  "cvss": 6.5,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
  "cwe": "Out-of-bounds Read",
  "epss": 0.00213,
  "epssPercentile": 0.11615,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-94283",
  "fixes": [
    {
      "platform": "linux",
      "product": "libX11",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.8.10-160000.5.1",
      "fix": "OPENSUSE-SU-2026:22055-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22055-1",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "sles 15.6",
      "fixedVersion": "1.8.7-150600.3.11.1",
      "fix": "SUSE-SU-2026:4501-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4501-1",
      "released": "2026-10-05T15:03:25Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "sles 15.7",
      "fixedVersion": "1.8.10-150700.4.8.1",
      "fix": "SUSE-SU-2026:4502-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4502-1",
      "released": "2026-10-05T15:03:57Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "sles 16.0",
      "fixedVersion": "1.8.10-160000.5.1",
      "fix": "SUSE-SU-2026:24201-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24201-1",
      "released": "2026-11-07T00:45:20Z"
    },
    {
      "platform": "linux",
      "product": "libx11",
      "release": "Debian 14",
      "fixedVersion": "2:1.8.14-1",
      "fix": "DEBIAN-CVE-2026-94283",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-94283",
      "released": "2026-09-28T09:17:08Z"
    },
    {
      "platform": "linux",
      "product": "libx11-6",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.6.4-3ubuntu0.4\u002Besm3",
      "fix": "libx11-6 2:1.6.4-3ubuntu0.4\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libx11-6-2-1.6.4-3ubuntu0.4-esm3",
      "released": "2026-10-13T23:28:48Z"
    },
    {
      "platform": "linux",
      "product": "libx11-6",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.6.9-2ubuntu1.6\u002Besm1",
      "fix": "libx11-6 2:1.6.9-2ubuntu1.6\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libx11-6-2-1.6.9-2ubuntu1.6-esm1",
      "released": "2026-10-13T23:28:54Z"
    },
    {
      "platform": "linux",
      "product": "libx11-6",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:1.7.5-1ubuntu0.4",
      "fix": "libx11-6 2:1.7.5-1ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libx11-6-2-1.7.5-1ubuntu0.4",
      "released": "2026-10-13T23:28:56Z"
    },
    {
      "platform": "linux",
      "product": "libx11-6",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2:1.8.7-1ubuntu0.1",
      "fix": "libx11-6 2:1.8.7-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libx11-6-2-1.8.7-1ubuntu0.1",
      "released": "2026-10-13T23:28:59Z"
    },
    {
      "platform": "linux",
      "product": "libx11-6",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2:1.8.13-1ubuntu0.1",
      "fix": "libx11-6 2:1.8.13-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libx11-6-2-1.8.13-1ubuntu0.1",
      "released": "2026-09-28T02:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-data",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.6.4-3ubuntu0.4\u002Besm3",
      "fix": "libx11-data 2:1.6.4-3ubuntu0.4\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libx11-data-2-1.6.4-3ubuntu0.4-esm3",
      "released": "2026-10-13T23:28:48Z"
    },
    {
      "platform": "linux",
      "product": "libx11-data",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.6.9-2ubuntu1.6\u002Besm1",
      "fix": "libx11-data 2:1.6.9-2ubuntu1.6\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libx11-data-2-1.6.9-2ubuntu1.6-esm1",
      "released": "2026-10-13T23:28:54Z"
    },
    {
      "platform": "linux",
      "product": "libx11-data",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:1.7.5-1ubuntu0.4",
      "fix": "libx11-data 2:1.7.5-1ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libx11-data-2-1.7.5-1ubuntu0.4",
      "released": "2026-10-13T23:28:56Z"
    },
    {
      "platform": "linux",
      "product": "libx11-data",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2:1.8.7-1ubuntu0.1",
      "fix": "libx11-data 2:1.8.7-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libx11-data-2-1.8.7-1ubuntu0.1",
      "released": "2026-10-13T23:28:59Z"
    },
    {
      "platform": "linux",
      "product": "libx11-data",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2:1.8.13-1ubuntu0.1",
      "fix": "libx11-data 2:1.8.13-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libx11-data-2-1.8.13-1ubuntu0.1",
      "released": "2026-09-28T02:17:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-xcb1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.6.4-3ubuntu0.4\u002Besm3",
      "fix": "libx11-xcb1 2:1.6.4-3ubuntu0.4\u002Besm3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libx11-xcb1-2-1.6.4-3ubuntu0.4-esm3",
      "released": "2026-10-13T23:28:48Z"
    },
    {
      "platform": "linux",
      "product": "libx11-xcb1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.6.9-2ubuntu1.6\u002Besm1",
      "fix": "libx11-xcb1 2:1.6.9-2ubuntu1.6\u002Besm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libx11-xcb1-2-1.6.9-2ubuntu1.6-esm1",
      "released": "2026-10-13T23:28:54Z"
    },
    {
      "platform": "linux",
      "product": "libx11-xcb1",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:1.7.5-1ubuntu0.4",
      "fix": "libx11-xcb1 2:1.7.5-1ubuntu0.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libx11-xcb1-2-1.7.5-1ubuntu0.4",
      "released": "2026-10-13T23:28:56Z"
    },
    {
      "platform": "linux",
      "product": "libx11-xcb1",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2:1.8.7-1ubuntu0.1",
      "fix": "libx11-xcb1 2:1.8.7-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libx11-xcb1-2-1.8.7-1ubuntu0.1",
      "released": "2026-10-13T23:28:59Z"
    },
    {
      "platform": "linux",
      "product": "libx11-xcb1",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2:1.8.13-1ubuntu0.1",
      "fix": "libx11-xcb1 2:1.8.13-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libx11-xcb1-2-1.8.13-1ubuntu0.1",
      "released": "2026-09-28T02:17:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}