CVE-2011-3974

Publication date 2 October 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Description

Integer signedness error in the decode_residual_inter function in cavsdec.c in libavcodec in FFmpeg before 0.7.4 and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (incorrect write operation and application crash) via an invalid bitstream in a Chinese AVS video (aka CAVS) file, a different vulnerability than CVE-2011-3362.

Read the notes from the security team

Status

Package Ubuntu Release Status
ffmpeg 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick
Not affected
10.04 LTS lucid
Not affected
8.04 LTS hardy Ignored end of life
ffmpeg-extra 11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick
Not affected
10.04 LTS lucid
Not affected
8.04 LTS hardy Not in release
libav 11.10 oneiric
Not affected
11.04 natty
Not affected
10.10 maverick Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
libav-extra 11.10 oneiric
Not affected
11.04 natty
Fixed 4:0.6.4-1ubuntu1
10.10 maverick Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release

Notes

mdeslaur

ffmpeg-extra in multiverse needs to have matching version libav-extra is built with tarball produced by libav package same commit as CVE-2011-3973 this is already fixed in CVE-2011-3362.patch

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
ffmpeg
libav

References

Other references