CVE-2026-116735: libyal libpff

libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_6c_record_entries

CVSS 6.9 MediumEPSS 0.0013 · 2nd percentile

Published by the CVE Program (CNA: VulnCheck) at 26 Oct 2026, 21:52 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
Vendor	Product	Versions
libyal	libpff pkg:github/libyal/libpff	affected 20260926 and earlier custom Other versions: unaffected

Identifiers

CVE-2026-116735

CNA

VulnCheck

Weakness (CWE)

CWE-193

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

Score	Rating	CVSS	Vector	Source
6.9	Medium	4.0	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	CNA (VulnCheck)Used for this record
6.1	Medium	3.1	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H	CNA (VulnCheck)

CISA KEV Not listed.
EPSS 0.0013, the 2nd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

26 Oct 2026, 21:52 UTC Confirmed by the CVE List
26 Oct 2026, 22:16 UTC Confirmed by NVD

Sources

References from the CNA

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

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.