CVE-2013-7014

NameCVE-2013-7014
DescriptionInteger signedness error in the add_bytes_l2_c function in libavcodec/pngdsp.c in FFmpeg before 2.1 allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted PNG data.
SourceCVE (at NVD; oss-sec, fulldisc, OSVDB, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, more)
ReferencesDSA-2855-1
NVD severitymedium (attack range: remote)
Debian/oldoldstablenot vulnerable.
Debian/oldstablenot 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, squeeze (security)4:0.5.10-1fixed
squeeze (lts)4:0.5.10-1+deb6u1fixed
stretch7:2.7.2-1fixed
sid7:2.7.2-2fixed
libav (PTS)wheezy6:0.8.16-1fixed
wheezy (security)6:0.8.17-1fixed
jessie6:11.3-1+deb8u1fixed
jessie (security)6:11.4-1~deb8u1fixed
stretch, sid6:11.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsource(unstable)(not affected)
libavsource(unstable)6:9.11-1medium
libavsourcewheezy6:0.8.10-1mediumDSA-2855-1

Notes

- ffmpeg <not-affected> (Vulnerable code not present)
https://trac.ffmpeg.org/ticket/2919
Fix in ffmpeg: https://github.com/FFmpeg/FFmpeg/commit/86736f59d6a527d8bc807d09b93f971c0fe0bb07
Fix in libav: http://git.libav.org/?p=libav.git;a=commit;h=d1916d13e28b87f4b1b214231149e12e1d536b4b

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