CVE-2016-9844

NameCVE-2016-9844
DescriptionBuffer overflow in the zi_short function in zipinfo.c in Info-Zip UnZip 6.0 allows remote attackers to cause a denial of service (crash) via a large compression method value in the central directory file header.
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)
ReferencesDLA-741-1
NVD severitylow
Debian Bugs847486

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
unzip (PTS)stretch6.0-21+deb9u2fixed
buster6.0-23+deb10u1fixed
bullseye, sid6.0-25fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
unzipsourcewheezy6.0-8+deb7u6DLA-741-1
unzipsourcejessie6.0-16+deb8u3
unzipsource(unstable)6.0-21847486

Notes

https://launchpad.net/bugs/1643750
https://www.openwall.com/lists/oss-security/2016/12/05/13
Proposed patch in https://www.openwall.com/lists/oss-security/2016/12/05/19

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