{"id":"CVE-2026-93521","aliases":[],"title":"X.Org Server RandR ChangeProviderProperty Heap Buffer Overflow","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-2026-93521"},{"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-2026-93521"}],"remediation":[],"description":"A buffer overflow in RandR\nChangeProviderProperty requests in X.Org X Server before 2.1.25 and XWayland before 24.4.14 could be used by authenticated X clients to crash or execute code within the X server context.","severity":"high","score":7.8,"published":"2026-10-28T15:37:43.432Z","modified":"2026-10-28T15:37:43.432Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://gitlab.freedesktop.org/xorg/xserver/-/commit/5dc9efd5a199717b53f70b9c6cd336a522370e46"],"sources":[{"name":"CVE","id":"CVE-2026-93521","modified":"2026-10-28T15:37:43.432Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-93521"}],"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":"2026-10-29T05:15:30.396Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-10-28T16:10:34.670Z","attemptedAt":"2026-10-28T16:10:34.670Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-28T16:10:34.532Z","attemptedAt":"2026-10-28T16:10:34.532Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-28T16:10:34.799Z","attemptedAt":"2026-10-28T16:10:34.799Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-28T16:10:34.652Z","attemptedAt":"2026-10-28T16:10:34.652Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-112146","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112146","modified":"Oct 28, 2026, 3:37:43 PM","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","checkedAt":"2026-10-28T16:10:34.799Z"}]}