Medium 6.1Published Oct 26, 2026

CVE-2026-116735libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_6c_record_entries

Updated under an hour ago (Oct 28, 2026, 6:50 PM ET)

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It affects libyal libpff. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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: 6.1 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H
Weakness (CWE): CWE-193
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Oct 27, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

libyal libpff libyal:libpff (from the name)	through 20260926	CNA record

References

References

https://github.com/libyal/libpff/issues/172	issue-tracking
https://github.com/libyal/libpff	product
https://github.com/libyal/libpff/commit/cb83eb38ffdbdfe2c69238fe7ce481ddc8513266	patch
https://github.com/libyal/libpff/blob/20260926/libpff/libpff_table.c#L5431-L5445	technical-description
https://hackmd.io/@haindpwn/libpff-table-parsing-oob-reads	third-party-advisory
https://www.vulncheck.com/advisories/libpff-through-20260926-heap-out-of-bounds-read-via-libpff-table-read-6c-record-entries	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.