CVE-2013-0856

NameCVE-2013-0856
DescriptionThe lpc_prediction function in libavcodec/alac.c in FFmpeg before 1.1 allows remote attackers to have an unspecified impact via crafted Apple Lossless Audio Codec (ALAC) data, related to a large nb_samples value.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
ffmpeg (PTS)stretch (security)7:3.2.18-0+deb9u1fixed
stretch (lts), stretch7:3.2.19-0+deb9u4fixed
buster7:4.1.9-0+deb10u1fixed
buster (security)7:4.1.11-0+deb10u1fixed
bullseye7:4.3.6-0+deb11u1fixed
bullseye (security)7:4.3.7-0+deb11u1fixed
bookworm (security), bookworm7:5.1.5-0+deb12u1fixed
trixie7:6.1.1-4fixed
sid7:6.1.1-5fixed
libav (PTS)jessie, jessie (lts)6:11.12-1~deb8u9fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
ffmpegsourcesqueeze(unfixed)end-of-life
ffmpegsource(unstable)7:2.4.1-1
libavsourcewheezy(not affected)
libavsource(unstable)6:9.10-1

Notes

[squeeze] - ffmpeg <end-of-life> (Backports to 0.5.x not useful, too many checks missing)
[wheezy] - libav <not-affected> (Vulnerable code not present)
Fix in ffmpeg: https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=fd4f4923cce6a2cbf4f48640b4ac706e614a1594
Fix in libav: http://git.libav.org/?p=libav.git;a=commit;h=78aa2ed620178044a227fbbe48f749c0dc86023f

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