CVE-2026-116737
CVE-2026-116737 · libphdi through 20260902 Heap Out-of-Bounds Read via Extent Data File Path
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.9 · Medium · EPSS 0.1%
- Published
- Updated
Stack: system
Affected products and versions
Original sources
- 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
- https://nvd.nist.gov/vuln/detail/CVE-2026-116737