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CVE-2012-2802

Published: 10 September 2012

Unspecified vulnerability in the ac3_decode_frame function in libavcodec/ac3dec.c in FFmpeg before 0.11 and Libav 0.8.x before 0.8.4 has unknown impact and attack vectors, related to the "number of output channels" and "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
cannot locate equivalent libav patch, even though 0.8.4
is supposed to fix it.
libav 0.8.5 also says it fixes it, but still cannot locate
patch
jdstrand
looking at the logic in the videolan patch and the code in ffmpeg,
this may not affect the version of ffmpeg in Ubuntu 10.04 LTS

Priority

Medium

Status

Package Release Status
ffmpeg
Launchpad, Ubuntu, Debian
hardy Ignored
(end of life)
lucid Ignored

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

upstream
Released (0.11)
Patches:
upstream: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=2c22701c371c2f3dea21fcdbb97c981939fb77af
ffmpeg-extra
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Ignored

natty Does not exist

oneiric Does not exist

precise Does not exist

quantal Does not exist

raring Does not exist

saucy Does not exist

upstream Needs triage

libav
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

natty Ignored
(end of life)
oneiric
Released (4:0.7.6-0ubuntu0.11.10.3)
precise
Released (4:0.8.4-0ubuntu0.12.04.1)
quantal
Released (6:0.8.4-0ubuntu0.12.10.1)
raring
Released (6:0.8.4-0ubuntu0.12.10.1)
saucy
Released (6:0.8.4-0ubuntu0.12.10.1)
upstream Needs triage

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

lucid Does not exist

natty Ignored
(end of life)
oneiric
Released (4:0.7.6ubuntu0.11.10.3)
precise
Released (4:0.8.4ubuntu0.12.04.1)
quantal
Released (6:0.8.4ubuntu0.12.10.1)
raring
Released (6:0.8.4ubuntu0.12.10.1)
saucy
Released (6:0.8.4ubuntu0.12.10.1)
upstream Needs triage