{
  "cveId": "CVE-2023-43785",
  "url": "https://patchblox.com/security/cve/CVE-2023-43785",
  "summary": "CVE-2023-43785 is fixed in 11 products on 1 platform, first by libx11-6 2:1.6.4-3ubuntu0.4\u002Besm2, released October 2, 2023. It is not reported as exploited. Patch Radar priority: High.",
  "title": "libx11: A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function",
  "description": "A vulnerability was found in libX11 due to a boundary condition within the _XkbReadKeySyms() function. This flaw allows a local user to trigger an out-of-bounds read error and read the contents of memory on the system.",
  "published": "2023-10-02T17:00:00Z",
  "severity": "medium",
  "cvss": 7.8,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
  "epss": 0.00669,
  "epssPercentile": 0.522,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "libX11",
      "release": "RHEL 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "RHSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2973",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "RHEL 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "RHSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2145",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "almalinux 8",
      "fixedVersion": "1.6.8-8.el8",
      "fix": "ALSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2973",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "almalinux 9",
      "fixedVersion": "1.7.0-9.el9",
      "fix": "ALSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2145",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "amzn 2023",
      "fixedVersion": "1.7.2-3.amzn2023.0.4",
      "fix": "ALAS2023-2023-383",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-383",
      "released": "2023-10-12T16:11:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "ol 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "ELSA-2024-2973",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2973",
      "released": "2024-05-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "ol 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "ELSA-2024-2145",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2145",
      "released": "2024-05-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "rocky 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "RLSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2024-2973",
      "released": "2025-05-07T19:11:47Z"
    },
    {
      "platform": "linux",
      "product": "libX11",
      "release": "rocky 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "RLSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2024-2145",
      "released": "2025-05-07T19:13:09Z"
    },
    {
      "platform": "linux",
      "product": "libX11-common",
      "release": "RHEL 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "RHSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2973",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-common",
      "release": "RHEL 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "RHSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2145",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-common",
      "release": "almalinux 8",
      "fixedVersion": "1.6.8-8.el8",
      "fix": "ALSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2973",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-common",
      "release": "almalinux 9",
      "fixedVersion": "1.7.0-9.el9",
      "fix": "ALSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2145",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-common",
      "release": "amzn 2023",
      "fixedVersion": "1.7.2-3.amzn2023.0.4",
      "fix": "ALAS2023-2023-383",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-383",
      "released": "2023-10-12T16:11:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-common",
      "release": "ol 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "ELSA-2024-2973",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2973",
      "released": "2024-05-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-common",
      "release": "ol 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "ELSA-2024-2145",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2145",
      "released": "2024-05-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.7.2-3.amzn2023.0.4",
      "fix": "ALAS2023-2023-383",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-383",
      "released": "2023-10-12T16:11:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.7.2-3.amzn2023.0.4",
      "fix": "ALAS2023-2023-383",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-383",
      "released": "2023-10-12T16:11:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "RHSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2973",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "RHSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2145",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-devel",
      "release": "almalinux 8",
      "fixedVersion": "1.6.8-8.el8",
      "fix": "ALSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2973",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-devel",
      "release": "almalinux 9",
      "fixedVersion": "1.7.0-9.el9",
      "fix": "ALSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2145",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-devel",
      "release": "amzn 2023",
      "fixedVersion": "1.7.2-3.amzn2023.0.4",
      "fix": "ALAS2023-2023-383",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-383",
      "released": "2023-10-12T16:11:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-devel",
      "release": "ol 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "ELSA-2024-2973",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2973",
      "released": "2024-05-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-devel",
      "release": "ol 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "ELSA-2024-2145",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2145",
      "released": "2024-05-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-xcb",
      "release": "RHEL 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "RHSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2973",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-xcb",
      "release": "RHEL 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "RHSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2024-2145",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-xcb",
      "release": "almalinux 8",
      "fixedVersion": "1.6.8-8.el8",
      "fix": "ALSA-2024:2973",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2973",
      "released": "2024-05-22T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-xcb",
      "release": "almalinux 9",
      "fixedVersion": "1.7.0-9.el9",
      "fix": "ALSA-2024:2145",
      "url": "https://patchblox.com/security/fix/linux/alsa-2024-2145",
      "released": "2024-04-30T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-xcb",
      "release": "amzn 2023",
      "fixedVersion": "1.7.2-3.amzn2023.0.4",
      "fix": "ALAS2023-2023-383",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-383",
      "released": "2023-10-12T16:11:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-xcb",
      "release": "ol 8",
      "fixedVersion": "0:1.6.8-8.el8",
      "fix": "ELSA-2024-2973",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2973",
      "released": "2024-05-23T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-xcb",
      "release": "ol 9",
      "fixedVersion": "0:1.7.0-9.el9",
      "fix": "ELSA-2024-2145",
      "url": "https://patchblox.com/security/fix/linux/elsa-2024-2145",
      "released": "2024-05-02T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libX11-xcb-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.7.2-3.amzn2023.0.4",
      "fix": "ALAS2023-2023-383",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2023-383",
      "released": "2023-10-12T16:11:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11",
      "release": "Debian 11.6 (bullseye)",
      "fixedVersion": "2:1.7.2-1\u002Bdeb11u2",
      "fix": "DSA-5517-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5517-1",
      "released": "2023-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "2:1.8.4-2\u002Bdeb12u2",
      "fix": "DSA-5517-1",
      "url": "https://patchblox.com/security/fix/linux/dsa-5517-1",
      "released": "2023-10-05T00:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "2:1.8.7-1",
      "fix": "DEBIAN-CVE-2023-43785",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-43785",
      "released": "2023-10-10T13:15:21Z"
    },
    {
      "platform": "linux",
      "product": "libx11",
      "release": "Debian 14",
      "fixedVersion": "2:1.8.7-1",
      "fix": "DEBIAN-CVE-2023-43785",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2023-43785",
      "released": "2023-10-10T13:15:21Z"
    },
    {
      "platform": "linux",
      "product": "libx11-6",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.6.4-3ubuntu0.4\u002Besm2",
      "fix": "libx11-6 2:1.6.4-3ubuntu0.4\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libx11-6-2-1.6.4-3ubuntu0.4-esm2",
      "released": "2023-10-02T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-6",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.6.9-2ubuntu1.6",
      "fix": "libx11-6 2:1.6.9-2ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libx11-6-2-1.6.9-2ubuntu1.6",
      "released": "2023-10-02T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-6",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:1.7.5-1ubuntu0.3",
      "fix": "libx11-6 2:1.7.5-1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libx11-6-2-1.7.5-1ubuntu0.3",
      "released": "2023-10-02T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-data",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.6.4-3ubuntu0.4\u002Besm2",
      "fix": "libx11-data 2:1.6.4-3ubuntu0.4\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libx11-data-2-1.6.4-3ubuntu0.4-esm2",
      "released": "2023-10-02T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-data",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.6.9-2ubuntu1.6",
      "fix": "libx11-data 2:1.6.9-2ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libx11-data-2-1.6.9-2ubuntu1.6",
      "released": "2023-10-02T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-data",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:1.7.5-1ubuntu0.3",
      "fix": "libx11-data 2:1.7.5-1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libx11-data-2-1.7.5-1ubuntu0.3",
      "released": "2023-10-02T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-xcb1",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.6.4-3ubuntu0.4\u002Besm2",
      "fix": "libx11-xcb1 2:1.6.4-3ubuntu0.4\u002Besm2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libx11-xcb1-2-1.6.4-3ubuntu0.4-esm2",
      "released": "2023-10-02T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-xcb1",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.6.9-2ubuntu1.6",
      "fix": "libx11-xcb1 2:1.6.9-2ubuntu1.6",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libx11-xcb1-2-1.6.9-2ubuntu1.6",
      "released": "2023-10-02T17:00:00Z"
    },
    {
      "platform": "linux",
      "product": "libx11-xcb1",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:1.7.5-1ubuntu0.3",
      "fix": "libx11-xcb1 2:1.7.5-1ubuntu0.3",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libx11-xcb1-2-1.7.5-1ubuntu0.3",
      "released": "2023-10-02T17:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}