{"affected":[{"defaultStatus":"unaffected","ecosystem":"github","packageName":"libyal/libphdi","product":"libphdi","source":"CNA: VulnCheck","vendor":"libyal","versions":[{"lessThanOrEqual":"20260902","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-116737","cwes":["CWE-131"],"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.","epss":{"date":"2026-11-02","percentile":0.02237,"score":0.00126},"exploits":[{"kind":"exploit","source":"ADP: CISA-ADP","url":"https://hackmd.io/@haindpwn/cve-2026-116737-libphdi-extent-data-file-path-heap-oob-read"}],"kev":null,"metrics":[{"score":6.9,"severity":"medium","source":"CNA: 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","version":"4.0"},{"score":6.1,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","version":"3.1"}],"modifiedAt":1793644110467,"publishedAt":1793051557080,"references":[{"source":"CNA: VulnCheck","tags":["issue-tracking"],"url":"https://github.com/libyal/libphdi/issues/6"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/libyal/libphdi"},{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/libyal/libphdi/commit/61e3e1f6b4c5e15ce827b11858ba51f0dba254e3"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/libyal/libphdi/blob/20260902/libphdi/libphdi_data_files.c#L890-L907"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://hackmd.io/@haindpwn/libphdi-extent-data-file-path-heap-oob-read"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/libphdi-through-20260902-heap-out-of-bounds-read-via-extent-data-file-path"},{"source":"ADP: CISA-ADP","tags":["exploit"],"url":"https://hackmd.io/@haindpwn/cve-2026-116737-libphdi-extent-data-file-path-heap-oob-read"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/libyal/libphdi/commit/61e3e1f6b4c5e15ce827b11858ba51f0dba254e3"}],"revision":"98f23893a2b3f643b0017c3bdf3803bead3161879f09a1040bf57ec8edb53156","sources":[{"modifiedAt":1793644110467,"name":"CNA: VulnCheck","retrievedAt":1793646533976,"url":"https://www.cve.org/CVERecord?id=CVE-2026-116737"},{"modifiedAt":null,"name":"FIRST EPSS","retrievedAt":1793646542563,"url":"https://api.first.org/data/v1/epss?cve=CVE-2026-116737"}],"ssvc":{"assessedAt":1793644029156,"automatable":"no","exploitation":"poc","source":"ADP: CISA-ADP","technicalImpact":"partial"},"status":"published","title":"libphdi through 20260902 Heap Out-of-Bounds Read via Extent Data File Path","updatedAt":1793646542563}