CVE-2025-15571

Name	CVE-2025-15571
Description	A security vulnerability has been detected in ckolivas lrzip up to 0.651. This vulnerability affects the function ucompthread of the file stream.c. Such manipulation leads to null pointer dereference. The attack can only be performed from a local environment. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
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
lrzip (PTS)	bullseye (security), bullseye	0.641-1+deb11u1	vulnerable
	bookworm	0.651-2	vulnerable
	forky, sid, trixie	0.651-3	vulnerable

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

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

https://github.com/ckolivas/lrzip/issues/263