{"id":"CVE-2026-88812","title":"X.Org Server XKB SetGeometry TextDoodad Double Free","summary":"A double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","cwe":["CWE-415"],"vendor":"X.org","product":"xorg-x11-server","affected":["xorg-x11-server < 21.1.25","xwayland < 24.1.14"],"published":"2026-10-27","updated":"2026-10-27","sourceUpdated":"2026-10-27T17:43:18.583Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-88812","references":[{"url":"https://gitlab.freedesktop.org/xorg/xserver/-/commit/0d1b1b0bad86c9ea2a3b7ca5a70e681dc69f1ecc"}],"tags":["cve.org"],"ingestedAt":"2026-10-27T17:54:31.777Z","slug":"CVE-2026-88812","body":"## Overview\n\nA double free in XKB SetGeometryin X.Org X Server before 21.1.25 and X Wayland before 24.1.14 could be used by attached clients to cause a crash or potentially code in the x server context.\n\n## Affected\n\n- `xorg-x11-server < 21.1.25`\n- `xwayland < 24.1.14`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}