{"id":"CVE-2026-93523","aliases":[],"title":"X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write","titleSource":"suse","descriptionSource":"suse","products":[{"vendor":"x.org","name":"xorg-x11-server","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"21.1.25","versionType":"rpm"}],"defaultStatus":"unaffected","source":"suse","url":"https://www.cve.org/CVERecord?id=CVE-2026-93523"},{"vendor":"x.org","name":"xwayland","platforms":[],"versions":[{"version":"0","status":"affected","lessThan":"24.1.14","versionType":"rpm"}],"defaultStatus":"unaffected","source":"suse","url":"https://www.cve.org/CVERecord?id=CVE-2026-93523"}],"remediation":[],"description":"A heap buffer overflow caused by a XIPassiveUngrabDevice request with an out-of-range modifier value in X.Org X Server before 21.1.15 and XWayland before 24.1.14 could be used by authenticated X clients to crash or potentially execute code in X server context.","severity":"high","score":7.8,"published":"2026-10-28T16:16:42.058Z","modified":"2026-10-28T16:16:42.058Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://gitlab.freedesktop.org/xorg/xserver/-/commit/37a1847a60c6799aecf163a5cfa40077a9002675"],"sources":[{"name":"CVE","id":"CVE-2026-93523","modified":"2026-10-28T16:16:42.058Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-93523"}],"assessments":[{"source":"suse","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T03:15:31.428Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-10-28T16:55:35.750Z","attemptedAt":"2026-10-28T16:55:35.750Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-28T16:55:34.789Z","attemptedAt":"2026-10-28T16:55:34.789Z"},{"source":"EUVD","status":"refresh-failed","attemptedAt":"2026-10-28T16:55:38.772Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-28T16:55:35.382Z","attemptedAt":"2026-10-28T16:55:35.382Z"}],"evidence":[]}