CVE-2025-15571

NameCVE-2025-15571
DescriptionA 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.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs1128070

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
lrzip (PTS)bullseye (security), bullseye0.641-1+deb11u1vulnerable
bookworm0.651-2vulnerable
trixie0.651-3vulnerable
forky, sid0.660-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
lrzipsource(unstable)0.660-11128070

Notes

[trixie] - lrzip <postponed> (Minor issue, revisit when fixed upstream)
[bookworm] - lrzip <postponed> (Minor issue, revisit when fixed upstream)
[bullseye] - lrzip <postponed> (Minor issue, revisit when fixed upstream)
https://github.com/ckolivas/lrzip/issues/263

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