CVE-2026-116735 | BDVDB-2026-396122 Detail
libyallibpff
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.
Impact#
Per CVSS v3.1: confidentiality impact low, integrity impact none, availability impact high. Attack vector: local.
Weaknesses#
- CWE-193 Off-by-one Error
References#
- https://github.com/libyal/libpff/issues/172
- https://github.com/libyal/libpff
- https://github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266
- https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L5431-L5445
- https://hackmd.io/@haindpwn/libpff-table-parsing-oob-reads
- https://www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff-table-read-6c-record-entries
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.