CVE-2013-0850

NameCVE-2013-0850
DescriptionThe decode_slice_header function in libavcodec/h264.c in FFmpeg before 1.1 allows remote attackers to have an unspecified impact via crafted H.264 data, which triggers an out-of-bounds array access.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2793-1
NVD severityhigh (attack range: remote, user-initiated)
Debian Bugs717009
Debian/oldstablepackage ffmpeg is vulnerable.
Debian/stablenot vulnerable.
Debian/testingnot vulnerable.
Debian/unstablenot vulnerable.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)squeeze (security), squeeze4:0.5.10-1vulnerable
squeeze (lts)4:0.5.10-1+deb6u1vulnerable
sid7:2.6.2-1fixed
libav (PTS)wheezy6:0.8.16-1fixed
wheezy (security)6:0.8.17-1fixed
jessie, sid6:11.3-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsource(unstable)7:2.4.1-1high
ffmpegsourcesqueeze(unfixed)end-of-life
libavsource(unstable)6:0.8.7-1high717009
libavsourcewheezy6:0.8.9-1highDSA-2793-1

Notes

[squeeze] - ffmpeg <end-of-life> (Backports to 0.5.x not useful, too many checks missing)
Fix in ffmpeg: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=d6c184880ee2e09fd68c0ae217173832cee5afc1
Fix in libav: http://git.libav.org/?p=libav.git;a=commit;h=6e5cdf26281945ddea3aaf5eca4d127791f23ca8

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