PublicDateAtUSN: 2012-09-10
Candidate: CVE-2012-2796
PublicDate: 2012-09-10 22:55:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-2796
 http://www.openwall.com/lists/oss-security/2012/09/02/4
 http://www.openwall.com/lists/oss-security/2012/08/31/3
 http://secunia.com/advisories/50468
 http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5e59a77cec804a9b44c60ea22c17beba6453ef23
 http://ffmpeg.org/security.html
 https://ubuntu.com/security/notices/USN-1630-1
Description:
 Unspecified vulnerability in the vc1_decode_frame function in
 libavcodec/vc1dec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.4 has
 unknown impact and attack vectors, related to inconsistencies in "coded
 slice positions and interlacing" that trigger "out of array writes."
Ubuntu-Description:
Notes:
 mdeslaur> ffmpeg-extra in multiverse needs to have matching version
 mdeslaur> libav-extra is built with tarball produced by libav package
 mdeslaur> code is different in 0.7.x and earlier, probably not affected
Bugs:
Priority: medium
Discovered-by:
Assigned-to:
CVSS: 

Patches_ffmpeg:
 upstream: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5e59a77cec804a9b44c60ea22c17beba6453ef23
upstream_ffmpeg: released (0.11)
hardy_ffmpeg: ignored (reached end-of-life)
lucid_ffmpeg: not-affected
natty_ffmpeg: DNE
oneiric_ffmpeg: DNE
precise_ffmpeg: DNE
quantal_ffmpeg: DNE
devel_ffmpeg: DNE

Patches_ffmpeg-extra:
upstream_ffmpeg-extra: needs-triage
hardy_ffmpeg-extra: DNE
lucid_ffmpeg-extra: not-affected
natty_ffmpeg-extra: DNE
oneiric_ffmpeg-extra: DNE
precise_ffmpeg-extra: DNE
quantal_ffmpeg-extra: DNE
devel_ffmpeg-extra: DNE

Patches_libav:
 upstream: http://git.libav.org/?p=libav.git;a=commit;h=1100acbab26883007898c53efeb289f562c6e514 (trunk)
upstream_libav: needs-triage
hardy_libav: DNE
lucid_libav: DNE
natty_libav: ignored (reached end-of-life)
oneiric_libav: not-affected
precise_libav: released (4:0.8.4-0ubuntu0.12.04.1)
quantal_libav: released (6:0.8.4-0ubuntu0.12.10.1)
devel_libav: not-affected (6:0.8.4-0ubuntu0.12.10.1)

Patches_libav-extra:
upstream_libav-extra: needs-triage
hardy_libav-extra: DNE
lucid_libav-extra: DNE
natty_libav-extra: ignored (reached end-of-life)
oneiric_libav-extra: not-affected
precise_libav-extra: released (4:0.8.4ubuntu0.12.04.1)
quantal_libav-extra: released (6:0.8.4ubuntu0.12.10.1)
devel_libav-extra: not-affected (6:0.8.4ubuntu0.12.10.1)