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CVE-2012-2795

Published: 10 September 2012

Multiple unspecified vulnerabilities in libavcodec/wmalosslessdec.c in FFmpeg before 0.11 have unknown impact and attack vectors related to (1) size of "mclms arrays," (2) "a get_bits(0) in decode_ac_filter," and (3) "too many bits in decode_channel_residues()."

Notes

AuthorNote
mdeslaur
ffmpeg-extra in multiverse needs to have matching version
libav-extra is built with tarball produced by libav package
no wmalosslessdec in 0.8.x and older

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=b3a43515827f3d22a881c33b87384f01c86786fd
upstream: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=a0abefb0af64a311b15141062c77dd577ba590a3
upstream: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=2a7063de547b1d8fb1cef523469390fb59fb2c50



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 Not vulnerable

quantal Not vulnerable

upstream Needs triage

Patches:



upstream: http://git.libav.org/?p=libav.git;a=commit;h=6a99310fce49f51773ab7d8ffa4f4748bbf58db9
upstream: http://git.libav.org/?p=libav.git;a=commit;h=607f57152c59bcec26caaf2060a86d96f76c4e8b
upstream: http://git.libav.org/?p=libav.git;a=commit;h=f48fbf2eb5ba7015c65b31c266edf399dd6a82b1
libav-extra
Launchpad, Ubuntu, Debian
hardy Does not exist

lucid Does not exist

natty Ignored
(end of life)
oneiric Not vulnerable

precise Not vulnerable

quantal Not vulnerable

upstream Needs triage