Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/libyal/libphdi
- https://github.com/libyal/libphdi/blob/20260902/libphdi/libphdi_data_files.c#L89
- https://github.com/libyal/libphdi/commit/61e3e1f6b4c5e15ce827b11858ba51f0dba254e
- https://github.com/libyal/libphdi/issues/6
- https://hackmd.io/@haindpwn/libphdi-extent-data-file-path-heap-oob-read
- https://www.vulncheck.com/advisories/libphdi-through-20260902-heap-out-of-bounds
FAQ
What is CVE-2026-116737?
CVE-2026-116737 is a vulnerability with a CVSS score of 6.1 (MEDIUM). 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. Attacker...
How severe is CVE-2026-116737?
CVE-2026-116737 has been rated MEDIUM with a CVSS base score of 6.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116737?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.