DescriptionA heap-based buffer overflow exists in Info-Zip UnZip version <= 6.00 in the processing of password-protected archives that allows an attacker to perform a denial of service or to possibly achieve code execution.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium (attack range: remote)
Debian Bugs889838

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
unzip (PTS)jessie6.0-16+deb8u3vulnerable
jessie (security)6.0-16+deb8u2vulnerable
buster, sid6.0-23fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[jessie] - unzip <no-dsa> (Harmless crash, builds with fortified source)
[wheezy] - unzip <no-dsa> (Harmless crash, builds with fortified source)
Patch used in openSUSE:Factory/unzip:

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