CVE-2023-6704

Name	CVE-2023-6704
Description	Use after free in libavif in Google Chrome prior to 120.0.6099.109 allowed a remote attacker to potentially exploit heap corruption via a crafted image file. (Chromium security severity: High)
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-5577-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
chromium (PTS)	bullseye (security), bullseye	120.0.6099.224-1~deb11u1	fixed
	bookworm	135.0.7049.95-1~deb12u1	fixed
	bookworm (security)	137.0.7151.103-1~deb12u1	fixed
	trixie	137.0.7151.68-1	fixed
	sid	137.0.7151.103-1	fixed
libavif (PTS)	bullseye	0.8.4-2+deb11u1	fixed
	bullseye (security)	0.8.4-2+deb11u2	fixed
	bookworm	0.11.1-1	fixed
	bookworm (security)	0.11.1-1+deb12u1	fixed
	trixie, sid	1.2.1-1.2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin
chromium	source	buster	(unfixed)	end-of-life
chromium	source	bullseye	120.0.6099.109-1~deb11u1		DSA-5577-1
chromium	source	bookworm	120.0.6099.109-1~deb12u1		DSA-5577-1
chromium	source	(unstable)	120.0.6099.109-1
libavif	source	bullseye	(not affected)
libavif	source	bookworm	(not affected)
libavif	source	(unstable)	1.1.0-1

Notes

[buster] - chromium <end-of-life> (see DSA 5046)
[bookworm] - libavif <not-affected> (Vulnerable code introduced later)
[bullseye] - libavif <not-affected> (Vulnerable code not present, PoC doesn't crash)
https://issues.chromium.org/issues/40945359
https://github.com/AOMediaCodec/libavif/pull/1808
Introduced by: https://github.com/AOMediaCodec/libavif/commit/c17d24ad2281fee383700e0710e019758a1969ad (v1.0.0)
Fixed by: https://github.com/AOMediaCodec/libavif/commit/7845153645cfe245de5add94fb07c227c2d16402 (v1.1.0)