{
  "cveId": "CVE-2026-93543",
  "url": "https://patchblox.com/security/cve/CVE-2026-93543",
  "summary": "CVE-2026-93543 is fixed in 3 products on 1 platform, first by RHSA-2026:91004, released September 24, 2026. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Out-of-bounds read in libXi\u0027s XI2 class parser",
  "description": "X.Org X11 libXi runtime library  \n\nSecurity Fix(es):  \n\n  * libXi: libXi: Denial of Service via out-of-bounds read in XI2 class parser (CVE-2026-93543)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
  "published": "2026-09-24T16:09:51Z",
  "severity": "Important",
  "cvss": 7.4,
  "cvssVector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H",
  "cwe": "Out-of-bounds Read",
  "epss": 0.00262,
  "epssPercentile": 0.18105,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-93543",
  "fixes": [
    {
      "platform": "linux",
      "product": "libXi",
      "release": "RHEL 10",
      "fixedVersion": "1.8.1-7.el10_2.1",
      "fix": "RHSA-2026:91004",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91004",
      "released": "2026-09-24T16:09:51Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "RHEL 8",
      "fixedVersion": "0:1.7.10-2.el8_10",
      "fix": "RHSA-2026:91268",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91268",
      "released": "2026-10-29T21:38:37Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "RHEL 9",
      "fixedVersion": "0:1.7.10-8.el9_8.1",
      "fix": "RHSA-2026:91056",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91056",
      "released": "2026-10-30T22:09:46Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "almalinux 10",
      "fixedVersion": "1.8.1-7.el10_2.1",
      "fix": "ALSA-2026:91004",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91004",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "almalinux 8",
      "fixedVersion": "1.7.10-2.el8_10",
      "fix": "ALSA-2026:91268",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91268",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "almalinux 9",
      "fixedVersion": "1.7.10-8.el9_8.1",
      "fix": "ALSA-2026:91056",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91056",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "ol 10",
      "fixedVersion": "0:1.8.1-7.el10_2.1",
      "fix": "ELSA-2026-91004",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91004",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "ol 8",
      "fixedVersion": "0:1.7.10-2.el8_10",
      "fix": "ELSA-2026-91268",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91268",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "ol 9",
      "fixedVersion": "0:1.7.10-8.el9_8.1",
      "fix": "ELSA-2026-91056",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91056",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.8.2-160000.4.1",
      "fix": "OPENSUSE-SU-2026:22054-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-22054-1",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "rocky 10",
      "fixedVersion": "0:1.8.1-7.el10_2.1",
      "fix": "RLSA-2026:91004",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-91004",
      "released": "2026-11-07T00:39:51Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "rocky 8",
      "fixedVersion": "0:1.7.10-2.el8_10",
      "fix": "RLSA-2026:91268",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-91268",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "rocky 9",
      "fixedVersion": "0:1.7.10-8.el9_8.1",
      "fix": "RLSA-2026:91056",
      "url": "https://patchblox.com/security/fix/linux/rlsa-2026-91056",
      "released": "2026-11-07T00:39:57Z"
    },
    {
      "platform": "linux",
      "product": "libXi",
      "release": "sles 16.0",
      "fixedVersion": "1.8.2-160000.4.1",
      "fix": "SUSE-SU-2026:24203-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-24203-1",
      "released": "2026-11-07T00:45:20Z"
    },
    {
      "platform": "linux",
      "product": "libXi-devel",
      "release": "RHEL 8",
      "fixedVersion": "0:1.7.10-2.el8_10",
      "fix": "RHSA-2026:91268",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91268",
      "released": "2026-10-29T21:38:37Z"
    },
    {
      "platform": "linux",
      "product": "libXi-devel",
      "release": "RHEL 9",
      "fixedVersion": "0:1.7.10-8.el9_8.1",
      "fix": "RHSA-2026:91056",
      "url": "https://patchblox.com/security/fix/linux/rhsa-2026-91056",
      "released": "2026-10-30T22:09:46Z"
    },
    {
      "platform": "linux",
      "product": "libXi-devel",
      "release": "almalinux 10",
      "fixedVersion": "1.8.1-7.el10_2.1",
      "fix": "ALSA-2026:91004",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91004",
      "released": "2026-11-07T00:40:04Z"
    },
    {
      "platform": "linux",
      "product": "libXi-devel",
      "release": "almalinux 8",
      "fixedVersion": "1.7.10-2.el8_10",
      "fix": "ALSA-2026:91268",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91268",
      "released": "2026-11-07T00:40:18Z"
    },
    {
      "platform": "linux",
      "product": "libXi-devel",
      "release": "almalinux 9",
      "fixedVersion": "1.7.10-8.el9_8.1",
      "fix": "ALSA-2026:91056",
      "url": "https://patchblox.com/security/fix/linux/alsa-2026-91056",
      "released": "2026-11-07T00:41:11Z"
    },
    {
      "platform": "linux",
      "product": "libXi-devel",
      "release": "ol 10",
      "fixedVersion": "0:1.8.1-7.el10_2.1",
      "fix": "ELSA-2026-91004",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91004",
      "released": "2026-11-07T00:59:15Z"
    },
    {
      "platform": "linux",
      "product": "libXi-devel",
      "release": "ol 8",
      "fixedVersion": "0:1.7.10-2.el8_10",
      "fix": "ELSA-2026-91268",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91268",
      "released": "2026-11-07T00:48:28Z"
    },
    {
      "platform": "linux",
      "product": "libXi-devel",
      "release": "ol 9",
      "fixedVersion": "0:1.7.10-8.el9_8.1",
      "fix": "ELSA-2026-91056",
      "url": "https://patchblox.com/security/fix/linux/elsa-2026-91056",
      "released": "2026-11-07T00:52:27Z"
    },
    {
      "platform": "linux",
      "product": "libxi",
      "release": "Debian 14",
      "fixedVersion": "2:1.8.4-1",
      "fix": "DEBIAN-CVE-2026-93543",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-93543",
      "released": "2026-09-24T17:17:10Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}