CVEvulnerability
CVE-2026-116735
6.9 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-10-26
- Last modified
- 2026-10-27
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.9 MEDIUM — CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 6.1 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
- Weaknesses
- CWE-193
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.
Related
Weakness · CWE (1)
- CWE-193 Off-by-one Error weakness
References
- https://github.com/libyal/libpff github.com
- https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L5431-L5445 github.com
- https://github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266 github.com
- https://github.com/libyal/libpff/issues/172 github.com
- https://hackmd.io/@haindpwn/libpff-table-parsing-oob-reads hackmd.io
- https://www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff-table-read-6c-record-entries www.vulncheck.com