{"id":"CVE-2026-93517","aliases":[],"title":"X.Org Server GLX RenderLarge Heap Buffer Overflow","titleSource":"suse","descriptionSource":"suse","products":[{"vendor":"x.orgg","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-2026-93517"},{"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-2026-93517"}],"remediation":[],"description":"A heap buffer overflow in handling GLX\nRenderLarge request where dataBytes exceeds cmdlen in X.org X server before 21.1.25 and XWayland before 24.1.14 that could be be triggered by an authenticated X client could cause crashes or code execution in X server context.","severity":"high","score":8.5,"published":"2026-10-28T13:16:39.431Z","modified":"2026-10-28T13:16:39.431Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://gitlab.freedesktop.org/xorg/xserver/-/commit/2abe4632d793314d3d5f28c19583fb76019f5ce4"],"sources":[{"name":"CVE","id":"CVE-2026-93517","modified":"2026-10-28T13:16:39.431Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-93517"}],"assessments":[{"source":"suse","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":8.5}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T04:20:33.105Z"},"coverage":[{"source":"NVD","status":"no-result","checkedAt":"2026-10-28T14:05:31.541Z","attemptedAt":"2026-10-28T14:05:31.541Z"},{"source":"GHSA","status":"no-result","checkedAt":"2026-10-28T14:05:31.802Z","attemptedAt":"2026-10-28T14:05:31.802Z"},{"source":"EUVD","status":"available","checkedAt":"2026-10-28T14:05:31.802Z","attemptedAt":"2026-10-28T14:05:31.802Z"},{"source":"EPSS","status":"no-result","checkedAt":"2026-10-28T14:05:31.802Z","attemptedAt":"2026-10-28T14:05:31.802Z"}],"evidence":[{"source":"ENISA EUVD","id":"EUVD-2026-112082","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112082","modified":"Oct 28, 2026, 1:16:39 PM","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","checkedAt":"2026-10-28T14:05:31.802Z"}]}