| Name | CVE-2013-0856 |
| Description | The 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. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| ffmpeg (PTS) | stretch (security) | 7:3.2.18-0+deb9u1 | fixed |
| stretch (lts), stretch | 7:3.2.19-0+deb9u5 | fixed |
| buster, buster (lts) | 7:4.1.11-0+deb10u2 | fixed |
| buster (security) | 7:4.1.11-0+deb10u1 | fixed |
| bullseye | 7:4.3.7-0+deb11u1 | fixed |
| bullseye (security) | 7:4.3.8-0+deb11u1 | fixed |
| bookworm (security), bookworm | 7:5.1.6-0+deb12u1 | fixed |
| sid, trixie | 7:7.1-3 | fixed |
| libav (PTS) | jessie, jessie (lts) | 6:11.12-1~deb8u9 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ffmpeg | source | squeeze | (unfixed) | end-of-life | | |
| ffmpeg | source | (unstable) | 7:2.4.1-1 | | | |
| libav | source | wheezy | (not affected) | | | |
| libav | source | (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