Vulnerability Description
Libpff through 20260926 contains a heap out-of-bounds read vulnerability in libpff_table_read_values_array because a 7c column definition's values_array_size is not checked against remaining buffer bytes. Attackers can supply a crafted PST, OST or PAB file to make applications read adjacent heap memory into record entry values or crash.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/libyal/libpff
- https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L8858-L8895
- https://github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266
- https://github.com/libyal/libpff/issues/172
- https://hackmd.io/@haindpwn/libpff-table-parsing-oob-reads
- https://www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-
FAQ
What is CVE-2026-116736?
CVE-2026-116736 is a vulnerability with a CVSS score of 6.1 (MEDIUM). Libpff through 20260926 contains a heap out-of-bounds read vulnerability in libpff_table_read_values_array because a 7c column definition's values_array_size is not checked against remaining buffer by...
How severe is CVE-2026-116736?
CVE-2026-116736 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-2026-116736?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.