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CVE-2012-2796

Published: 10 September 2012

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."

Notes

AuthorNote
mdeslaur
ffmpeg-extra in multiverse needs to have matching version
libav-extra is built with tarball produced by libav package
code is different in 0.7.x and earlier, probably not affected

Priority

Medium

Status

Package Release Status
ffmpeg
Launchpad, Ubuntu, Debian
hardy Ignored
(end of life)
lucid Not vulnerable

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

upstream
Released (0.11)
Patches:
upstream: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=5e59a77cec804a9b44c60ea22c17beba6453ef23

ffmpeg-extra
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Not vulnerable

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

upstream Needs triage

libav
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

natty Ignored
(end of life)
oneiric Not vulnerable

precise
Released (4:0.8.4-0ubuntu0.12.04.1)
quantal
Released (6:0.8.4-0ubuntu0.12.10.1)
upstream Needs triage

Patches:

upstream: http://git.libav.org/?p=libav.git;a=commit;h=1100acbab26883007898c53efeb289f562c6e514 (trunk)
libav-extra
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

natty Ignored
(end of life)
oneiric Not vulnerable

precise
Released (4:0.8.4ubuntu0.12.04.1)
quantal
Released (6:0.8.4ubuntu0.12.10.1)
upstream Needs triage