Vulnerability Description
libpff through 20260926 contains an off-by-one bounds check in libpff_table_read_6c_record_entries that allows attackers to trigger a heap out-of-bounds read via crafted 6c table record entries. Attackers can supply crafted PST, OST or PAB files to applications like pffexport or pypff to read adjacent heap memory or cause crashes.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/libyal/libpff
- https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L5431-L5445
- 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-2026-116735?
CVE-2026-116735 is a vulnerability with a CVSS score of 6.1 (MEDIUM). libpff through 20260926 contains an off-by-one bounds check in libpff_table_read_6c_record_entries that allows attackers to trigger a heap out-of-bounds read via crafted 6c table record entries. Attac...
How severe is CVE-2026-116735?
CVE-2026-116735 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-2026-116735?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.