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HighFix available

libXtst security update

Type: advisorySources: OSV

X.Org X11 libXtst runtime library Security Fix(es): An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.(CVE-2026-94286)

Products
libXtst
Affected versions
Not specified
Fixed versions
1.2.4-3.oe2203sp4
CVEs
CVE-2026-94286
Confirmed fixed CVEs
Not specified
Updated in this feed
30 Oct 2026, 20:39 UTC · Revision 1

Source evidence

libXtst security update

core-osv · Original source

Published 16 Oct 2026, 11:59 UTC

X.Org X11 libXtst runtime library Security Fix(es): An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.(CVE-2026-94286)

osv:OESA-2026-4325

libXtst

Fixed versions: 1.2.4-3.oe2203sp4

Complete source record
{
  "id": "7d9c65006341bcdd9456c64ea1317c9b208557ca7ec59c90b45d2ebb1726ed3e",
  "url": "https://osv.dev/vulnerability/OESA-2026-4325",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "libXtst security update",
    "summary": "X.Org X11 libXtst runtime library Security Fix(es): An out-of-bounds read in libXtst's RECORD reply parser in libXtst before 1.2.6 could be used by malicious X servers to crash attached X clients.(CVE-2026-94286)",
    "evidence": "osv:OESA-2026-4325",
    "products": [
      {
        "name": {
          "value": "libXtst",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "1.2.4-3.oe2203sp4",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "OESA-2026-4325",
      "aliases": [
        "OESA-2026-4325"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "1.2.4-3.oe2203sp4"
                }
              ]
            }
          ],
          "package": {
            "name": "libXtst",
            "purl": "pkg:rpm/openEuler/libXtst&distro=openEuler-22.03-LTS-SP4",
            "ecosystem": "openEuler:22.03-LTS-SP4"
          },
          "database_specific": {
            "source": "https://repo.openeuler.org/security/data/osv/OESA-2026-4325.json"
          },
          "ecosystem_specific": {
            "src": [
              "libXtst-1.2.4-3.oe2203sp4.src.rpm"
            ],
            "noarch": [
              "libXtst-help-1.2.4-3.oe2203sp4.noarch.rpm"
            ],
            "x86_64": [
              "libXtst-1.2.4-3.oe2203sp4.x86_64.rpm",
              "libXtst-debuginfo-1.2.4-3.oe2203sp4.x86_64.rpm",
              "libXtst-debugsource-1.2.4-3.oe2203sp4.x86_64.rpm",
              "libXtst-devel-1.2.4-3.oe2203sp4.x86_64.rpm"
            ],
            "aarch64": [
              "libXtst-1.2.4-3.oe2203sp4.aarch64.rpm",
              "libXtst-debuginfo-1.2.4-3.oe2203sp4.aarch64.rpm",
              "libXtst-debugsource-1.2.4-3.oe2203sp4.aarch64.rpm",
              "libXtst-devel-1.2.4-3.oe2203sp4.aarch64.rpm"
            ]
          }
        }
      ],
      "modified": "2026-10-16T12:15:09.983556433Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-94286"
      ],
      "references": [
        "https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2026-4325",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-94286"
      ],
      "provider_metadata": {
        "severity": "High"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-94286",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/database_specific/severity"
  },
  "source_id": "core-osv",
  "document_id": 340808,
  "published_at": "2026-10-16T11:59:23+00:00"
}