{"id":"CVE-2026-116728","aliases":[],"title":"libfvde through 20260923 Heap Out-of-Bounds Read via libfvde_encrypted_metadata_read_type_0x0024","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-2026-116728"}],"remediation":[],"description":"libfvde through 20260923 contains a heap out-of-bounds read vulnerability in libfvde_encrypted_metadata_read_type_0x0024() because xml_plist_data_size is not checked against the source metadata block. Attackers can supply a crafted FileVault 2 Core Storage volume that makes libfvde_volume_open() copy past the heap block buffer, crashing the application.","severity":"medium","score":6.8,"published":"2026-10-26T21:52:30.883Z","modified":"2026-10-26T21:52:30.883Z","withdrawn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#L3798-L3813","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-0x0024"],"sources":[{"name":"CVE","id":"CVE-2026-116728","modified":"2026-10-26T21:52:30.883Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116728"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.8},{"source":"VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","score":5.5}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T23:20:36.067Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}