{"id":"CVE-2026-116737","published":"2026-10-26T22:16:57.950","lastModified":"2026-10-26T22:16:57.950","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.","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cwes":["CWE-131"],"vendors":[],"products":[],"references":[{"url":"https://github.com/libyal/libphdi","tags":[]},{"url":"https://github.com/libyal/libphdi/blob/20260902/libphdi/libphdi_data_files.c#L890-L907","tags":[]},{"url":"https://github.com/libyal/libphdi/commit/61e3e1f6b4c5e15ce827b11858ba51f0dba254e3","tags":[]},{"url":"https://github.com/libyal/libphdi/issues/6","tags":[]},{"url":"https://hackmd.io/@haindpwn/libphdi-extent-data-file-path-heap-oob-read","tags":[]},{"url":"https://www.vulncheck.com/advisories/libphdi-through-20260902-heap-out-of-bounds-read-via-extent-data-file-path","tags":[]}],"exploitRefs":[{"url":"https://github.com/libyal/libphdi","tags":[]},{"url":"https://github.com/libyal/libphdi/blob/20260902/libphdi/libphdi_data_files.c#L890-L907","tags":[]},{"url":"https://github.com/libyal/libphdi/commit/61e3e1f6b4c5e15ce827b11858ba51f0dba254e3","tags":[]},{"url":"https://github.com/libyal/libphdi/issues/6","tags":[]}],"hasPoc":true,"ai":null}