Medium 6.1Published Oct 26, 2026

CVE-2026-116736libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_values_array

Updated under an hour ago (Oct 28, 2026, 9:50 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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Every CVE for libyal libpff

Exploited in the last 30 days

Libpff through 20260926 contains a heap out-of-bounds read vulnerability in libpff_table_read_values_array because a 7c column definition's values_array_size is not checked against remaining buffer bytes. Attackers can supply a crafted PST, OST or PAB file to make applications read adjacent heap memory into record entry values or crash.

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-125
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#L8858-L8895	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-values-array	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.