CVE-2026-116735
libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_6c_record_entries
CVSS Score
6.1
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-193 |
| Vendor | libyal |
| Product | libpff |
| Published | Oct 26, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
High
Affected Versions
libyal / libpff
0 ≤ 20260926
References
github.com: https://github.com/libyal/libpff/issues/172 github.com: https://github.com/libyal/libpff github.com: https://github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266 github.com: https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L5431-L5445 hackmd.io: https://hackmd.io/@haindpwn/libpff-table-parsing-oob-reads vulncheck.com: https://www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff-table-read-6c-record-entries
Credits
HaiND from the Post and Telecommunication Institute of Technology