{
  "cveId": "CVE-2026-94286",
  "url": "https://patchblox.com/security/cve/CVE-2026-94286",
  "summary": "CVE-2026-94286 is fixed in 6 products on 1 platform, first by libxtst6 2:1.2.5-1ubuntu0.1, released September 28, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Out-of-bounds read in libXtst\u0027s RECORD reply parser",
  "description": "An out-of-bounds read in libXtst\u0027s RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.",
  "published": "2026-09-28T02:17:00Z",
  "severity": "Important",
  "cvss": 7.1,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H",
  "cwe": "Buffer Over-read",
  "epss": 0.00202,
  "epssPercentile": 0.10253,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-94286",
  "fixes": [
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "RHEL 10",
      "fixedVersion": "1.2.4-8.el10_0.1",
      "fix": "RHSA-2026:93448",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-93448",
      "released": "2026-09-28T08:50:35Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "RHEL 8",
      "fixedVersion": "0:1.2.3-8.el8_10",
      "fix": "RHSA-2026:91294",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91294",
      "released": "2026-10-29T21:38:37Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "RHEL 9",
      "fixedVersion": "0:1.2.3-16.el9_8.1",
      "fix": "RHSA-2026:91223",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91223",
      "released": "2026-10-30T22:09:46Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "almalinux 10",
      "fixedVersion": "1.2.4-8.el10_2.1",
      "fix": "ALSA-2026:91612",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91612",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "almalinux 8",
      "fixedVersion": "1.2.3-8.el8_10",
      "fix": "ALSA-2026:91294",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91294",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "almalinux 9",
      "fixedVersion": "1.2.3-16.el9_8.1",
      "fix": "ALSA-2026:91223",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91223",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "amzn 2023",
      "fixedVersion": "1.2.5-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-3259",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3259",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "ol 10",
      "fixedVersion": "0:1.2.4-8.el10_2.1",
      "fix": "ELSA-2026-91612",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91612",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "ol 8",
      "fixedVersion": "0:1.2.3-8.el8_10",
      "fix": "ELSA-2026-91294",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91294",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "ol 9",
      "fixedVersion": "0:1.2.3-16.el9_8.1",
      "fix": "ELSA-2026-91223",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91223",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.2.5-160000.4.1",
      "fix": "OPENSUSE-SU-2026:22031-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22031-1",
      "released": "2026-10-06T12:59:19Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "rocky 10",
      "fixedVersion": "0:1.2.4-8.el10_2.1",
      "fix": "RLSA-2026:91612",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-91612",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "rocky 8",
      "fixedVersion": "0:1.2.3-8.el8_10",
      "fix": "RLSA-2026:91294",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-91294",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "rocky 9",
      "fixedVersion": "0:1.2.3-16.el9_8.1",
      "fix": "RLSA-2026:91223",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-91223",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "sles 15.6",
      "fixedVersion": "1.2.3-150000.3.3.1",
      "fix": "SUSE-SU-2026:4566-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4566-1",
      "released": "2026-10-07T15:22:53Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "sles 15.7",
      "fixedVersion": "1.2.3-150000.3.3.1",
      "fix": "SUSE-SU-2026:4566-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4566-1",
      "released": "2026-10-07T15:22:53Z"
    },
    {
      "platform": "linux",
      "product": "libXtst",
      "release": "sles 16.0",
      "fixedVersion": "1.2.5-160000.4.1",
      "fix": "SUSE-SU-2026:24145-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24145-1",
      "released": "2026-10-06T12:59:18Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-debuginfo",
      "release": "amzn 2023",
      "fixedVersion": "1.2.5-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-3259",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3259",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-debugsource",
      "release": "amzn 2023",
      "fixedVersion": "1.2.5-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-3259",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3259",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.2.3-8.el8_10",
      "fix": "RHSA-2026:91294",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91294",
      "released": "2026-10-29T21:38:37Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:1.2.3-16.el9_8.1",
      "fix": "RHSA-2026:91223",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91223",
      "released": "2026-10-30T22:09:46Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "almalinux 10",
      "fixedVersion": "1.2.4-8.el10_2.1",
      "fix": "ALSA-2026:91612",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91612",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "almalinux 8",
      "fixedVersion": "1.2.3-8.el8_10",
      "fix": "ALSA-2026:91294",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91294",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "almalinux 9",
      "fixedVersion": "1.2.3-16.el9_8.1",
      "fix": "ALSA-2026:91223",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91223",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "amzn 2023",
      "fixedVersion": "1.2.5-1.amzn2023.0.2",
      "fix": "ALAS2023-2026-3259",
      "url": "https://patchblox.com/security/fix/linux/alas2023-2026-3259",
      "released": "2026-11-07T01:07:25Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "ol 10",
      "fixedVersion": "0:1.2.4-8.el10_2.1",
      "fix": "ELSA-2026-91612",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91612",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "ol 8",
      "fixedVersion": "0:1.2.3-8.el8_10",
      "fix": "ELSA-2026-91294",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91294",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "libXtst-devel",
      "release": "ol 9",
      "fixedVersion": "0:1.2.3-16.el9_8.1",
      "fix": "ELSA-2026-91223",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91223",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "libxtst",
      "release": "Debian 14",
      "fixedVersion": "2:1.2.6-1",
      "fix": "DEBIAN-CVE-2026-94286",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-94286",
      "released": "2026-09-28T09:17:08Z"
    },
    {
      "platform": "linux",
      "product": "libxtst6",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2:1.2.3-1ubuntu0.18.04.1~esm1",
      "fix": "libxtst6 2:1.2.3-1ubuntu0.18.04.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-libxtst6-2-1.2.3-1ubuntu0.18.04.1-esm1",
      "released": "2026-10-21T16:54:57Z"
    },
    {
      "platform": "linux",
      "product": "libxtst6",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2:1.2.3-1ubuntu0.20.04.1~esm1",
      "fix": "libxtst6 2:1.2.3-1ubuntu0.20.04.1~esm1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-libxtst6-2-1.2.3-1ubuntu0.20.04.1-esm1",
      "released": "2026-10-21T16:55:03Z"
    },
    {
      "platform": "linux",
      "product": "libxtst6",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "2:1.2.3-1ubuntu0.22.04.1",
      "fix": "libxtst6 2:1.2.3-1ubuntu0.22.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libxtst6-2-1.2.3-1ubuntu0.22.04.1",
      "released": "2026-10-21T16:55:05Z"
    },
    {
      "platform": "linux",
      "product": "libxtst6",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "2:1.2.3-1.1ubuntu0.1",
      "fix": "libxtst6 2:1.2.3-1.1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libxtst6-2-1.2.3-1.1ubuntu0.1",
      "released": "2026-10-21T16:55:08Z"
    },
    {
      "platform": "linux",
      "product": "libxtst6",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "2:1.2.5-1ubuntu0.1",
      "fix": "libxtst6 2:1.2.5-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libxtst6-2-1.2.5-1ubuntu0.1",
      "released": "2026-09-28T02:17:00Z"
    }
  ],
  "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"
  }
}