{"id":"CVE-2026-116729","aliases":[],"title":"libfvde through 20260923 Heap Out-of-Bounds Read via libfvde_encrypted_metadata_read_type_0x001a","titleSource":"VulnCheck","descriptionSource":"VulnCheck","products":[{"vendor":"libyal","name":"libfvde","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"20260923","versionType":"custom"}],"defaultStatus":"unaffected","source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-116729"}],"remediation":[],"description":"libfvde through 20260923 contains a heap out-of-bounds read vulnerability in libfvde_encrypted_metadata_read_type_0x001a() caused by an unbounded strlen on embedded XML plist data. Attackers can supply a crafted FileVault 2 volume with non-NUL-terminated plist data, causing libfvde_volume_open() to read past the heap block buffer.","severity":"medium","score":4.8,"published":"2026-10-26T21:52:31.564Z","modified":"2026-10-26T21:52:31.564Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/libyal/libfvde/issues/70","https://github.com/libyal/libfvde","https://github.com/libyal/libfvde/commit/c2676fe49d0da44d66e7d750e72c57d2670f0b8f","https://github.com/libyal/libfvde/blob/20260923/libfvde/libfvde_encrypted_metadata.c#L2786-L2792","https://hackmd.io/@haindpwn/libfvde-encrypted-metadata-oob-read","https://www.vulncheck.com/advisories/libfvde-through-20260923-heap-out-of-bounds-read-via-libfvde-encrypted-metadata-read-type-0x001a"],"sources":[{"name":"CVE","id":"CVE-2026-116729","modified":"2026-10-26T21:52:31.564Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116729"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N","score":4.8},{"source":"VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L","score":3.3}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T14:40:33.551Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}