{"schema":"threatline.record/2","record":{"id":"CVE-2026-93523","aliases":[],"summary":"X.Org Server XInput2 PassiveUngrabDevice Out-of-Bounds Write","details":"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.","categories":["Unclassified"],"product":"xorg-x11-server","vendor":"x.org","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93523","source_modified_at":"2026-10-28T16:16:42.058Z","fetched_at":"2026-10-28T20:58:01.013507Z","product":"xorg-x11-server","vendor":"x.org","versions":[{"status":"affected","version":"0","lessThan":"21.1.25","versionType":"rpm"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93523","source_modified_at":"2026-10-28T16:16:42.058Z","fetched_at":"2026-10-28T20:58:01.013507Z","product":"xwayland","vendor":"x.org","versions":[{"status":"affected","version":"0","lessThan":"24.1.14","versionType":"rpm"}],"defaultStatus":"unaffected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93523","source_modified_at":"2026-10-28T16:16:42.058Z","fetched_at":"2026-10-28T20:58:01.013507Z","package":{"name":"xorg-x11-server","ecosystem":null},"version":"21.1.25","basis":"first unaffected version stated in the CVE record"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-93523","source_modified_at":"2026-10-28T16:16:42.058Z","fetched_at":"2026-10-28T20:58:01.013507Z","package":{"name":"xwayland","ecosystem":null},"version":"24.1.14","basis":"first unaffected version stated in the CVE record"}],"cvss":7.8,"severity":"High","kev":{"listed":false},"epss":{"probability":null,"percentile":null,"score_date":null},"published_at":"2026-10-28T16:16:42.058Z","modified_at":"2026-10-28T16:16:42.058Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-93523","fetched_at":"2026-10-28T20:58:01.013507Z","source_modified_at":"2026-10-28T16:16:42.058Z"}],"sources":["CVE List"],"references":[{"source":"CVE List","url":"https://gitlab.freedesktop.org/xorg/xserver/-/commit/37a1847a60c6799aecf163a5cfa40077a9002675","tags":["patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-28T16:16:42.058Z","content_hash":"2467bd4cd1c0378367bac5cb7180404819ade4ceb828e08ebcfd09be6637b68b"}}