{"id":"CVE-2026-94286","title":"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.","summary":"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.","severity":"high","cvss":7.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwe":["CWE-126"],"vendor":"x.org","product":"libXtst","affected":["libXtst < 1.2.6"],"published":"2026-09-28","updated":"2026-09-28","sourceUpdated":"2026-09-28T09:17:08.463","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-94286","references":[{"url":"https://gitlab.freedesktop.org/xorg/lib/libxtst/-/merge_requests/10/diffs?commit_id=16023c86070e6af9407330deea3938fcef75815b","label":"meissner@suse.de"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-28T09:06:28.557Z","slug":"CVE-2026-94286","body":"## Overview\n\nAn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":39,"depthScoreParts":{"impact":39.1,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}