{"id":"CVE-2026-116737","aliases":[],"title":"libphdi through 20260902 Heap Out-of-Bounds Read via Extent Data File Path","titleSource":"VulnCheck","descriptionSource":"VulnCheck","products":[{"vendor":"libyal","name":"libphdi","platforms":[],"versions":[{"version":"0","status":"affected","lessThanOrEqual":"20260902","versionType":"custom"}],"defaultStatus":"unaffected","source":"VulnCheck","url":"https://www.cve.org/CVERecord?id=CVE-2026-116737"}],"remediation":[],"description":"libphdi through 20260902 contains a heap out-of-bounds read vulnerability in libphdi_data_files_get_extent_data_file_path that uses the directory prefix length instead of the basename length. Attackers can supply a crafted Parallels disk image descriptor with a long directory prefix and short basename to crash the process or expose adjacent heap memory.","severity":"medium","score":6.9,"published":"2026-10-26T21:52:37.080Z","modified":"2026-10-26T21:52:37.080Z","withdrawn":false,"knownExploited":false,"affected":[],"references":["https://github.com/libyal/libphdi/issues/6","https://github.com/libyal/libphdi","https://github.com/libyal/libphdi/commit/61e3e1f6b4c5e15ce827b11858ba51f0dba254e3","https://github.com/libyal/libphdi/blob/20260902/libphdi/libphdi_data_files.c#L890-L907","https://hackmd.io/@haindpwn/libphdi-extent-data-file-path-heap-oob-read","https://www.vulncheck.com/advisories/libphdi-through-20260902-heap-out-of-bounds-read-via-extent-data-file-path"],"sources":[{"name":"CVE","id":"CVE-2026-116737","modified":"2026-10-26T21:52:37.080Z","url":"https://www.cve.org/CVERecord?id=CVE-2026-116737"}],"assessments":[{"source":"VulnCheck","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N","score":6.9},{"source":"VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","score":6.1}],"sourceAffected":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T19:05:34.210Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}