CVE-2016-9826

NameCVE-2016-9826
Descriptionlibavcodec/ituh263dec.c in libav 11.8 allows remote attackers to cause a denial of service (crash) via vectors involving left shift of a negative value.
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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libav (PTS)wheezy6:0.8.17-2vulnerable
wheezy (security)6:0.8.21-0+deb7u1vulnerable
jessie6:11.11-1~deb8u1vulnerable
jessie (security)6:11.12-1~deb8u1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libavsource(unstable)(unfixed)unimportant

Notes

https://blogs.gentoo.org/ago/2016/12/01/libav-multiple-crashes-from-the-undefined-behavior-sanitizer
https://github.com/asarubbo/poc/blob/master/00041-libav-leftshift-ituh263dec_c
https://bugzilla.libav.org/show_bug.cgi?id=985

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