DescriptionHeap-based buffer overflow in the _zip_readcdir function in zip_open.c in libzip 0.10 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a zip archive with the number of directories set to 0, related to an "incorrect loop construct."
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)
Debian Bugs664990

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libzip (PTS)buster1.5.1-4fixed
bookworm, bullseye, sid1.7.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libzipsourcesqueeze(not affected)


[squeeze] - libzip <not-affected> (Only affects 0.10.x)

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