CVE-2026-116736
libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_values_array
libyal libpff
CVSS
6.9MediumExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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.
Text from CVE List
Affected versions 1
- libpffaffected: all versions through 20260926CVE List
References 6
- github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266Fixvia CVE List
- hackmd.io/@haindpwn/libpff-table-parsing-oob-readsAdvisoryvia CVE List
- vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff-table-read-values-arrayAdvisoryvia CVE List
- github.com/libyal/libpff/issues/172Referencevia CVE List
- github.com/libyal/libpffReferencevia CVE List
- github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L8858-L8895Referencevia CVE List