CVE-2021-27347

Name	CVE-2021-27347
Description	Use after free in lzma_decompress_buf function in stream.c in Irzip 0.631 allows attackers to cause Denial of Service (DoS) via a crafted compressed file.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-2981-1, ELA-597-1
Debian Bugs	990583

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
lrzip (PTS)	jessie, jessie (lts)	0.616-1+deb8u2	fixed
	stretch (security), stretch (lts), stretch	0.631-1+deb9u3	fixed
	buster (security), buster, buster (lts)	0.631+git180528-1+deb10u1	fixed
	bullseye (security), bullseye	0.641-1+deb11u1	fixed
	bookworm	0.651-2	fixed
	sid, trixie	0.651-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
lrzip	source	jessie	0.616-1+deb8u1		ELA-597-1
lrzip	source	stretch	0.631-1+deb9u2		DLA-2981-1
lrzip	source	buster	0.631+git180528-1+deb10u1
lrzip	source	(unstable)	0.640-1	unimportant		990583

Notes

https://github.com/ckolivas/lrzip/issues/165
https://github.com/ckolivas/lrzip/commit/be884d09e09b00fbddd31b75dc1f4736d72006a8 (v0.640)
Crash in CLI tool, no security impact
See CVE-2022-26291 follow-up related to clear_rulist()