CVE-2026-20911

Name	CVE-2026-20911
Description	A heap-based buffer overflow vulnerability exists in the HuffTable::initval functionality of LibRaw Commit 0b56545 and Commit d20315b. A specially crafted malicious file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libraw (PTS)	bullseye	0.20.2-1+deb11u1	vulnerable
	bullseye (security)	0.20.2-1+deb11u2	vulnerable
	bookworm	0.20.2-2.1+deb12u1	vulnerable
	trixie	0.21.4-2	vulnerable
	forky, sid	0.21.5b-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
libraw	source	(unstable)	(unfixed)

https://talosintelligence.com/vulnerability_reports/TALOS-2026-2330
https://github.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995