DescriptionLrzip v0.651 was discovered to contain multiple invalid arithmetic shifts via the functions get_magic in lrzip.c and Predictor::init in libzpaq/libzpaq.cpp. These vulnerabilities allow attackers to cause a Denial of Service via unspecified vectors.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
lrzip (PTS)buster, buster (security)0.631+git180528-1+deb10u1vulnerable
bullseye (security), bullseye0.641-1+deb11u1vulnerable
bookworm, sid0.651-2vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs

Crash in CLI tool, no security impact

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