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CVE-2011-4579

Publication date 2 December 2011

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The svq1_decode_frame function in the SVQ1 decoder (svq1dec.c) in libavcodec in FFmpeg 0.5.x before 0.5.7, 0.6.x before 0.6.4, 0.7.x before 0.7.9, and 0.8.x before 0.8.8; and in Libav 0.5.x before 0.5.6, 0.6.x before 0.6.4, and 0.7.x before 0.7.3 allows remote attackers to cause a denial of service (memory corruption) via a crafted SVQ1 stream, related to "dimensions changed."

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
Fixed 4:0.6-2ubuntu6.3
10.04 LTS lucid
Fixed 4:0.5.1-1ubuntu1.3
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
Fixed 4:0.6-2ubuntu3.3
10.04 LTS lucid
Fixed 4:0.5.1-1ubuntu1.3
8.04 LTS hardy Not in release
libav 11.10 oneiric
Fixed 4:0.7.3-0ubuntu0.11.10.1
11.04 natty
Fixed 4:0.6.4-0ubuntu0.11.04.1
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
Fixed 4:0.7.3ubuntu0.11.10.1
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 This fixes NGS00148 as of 2011-12-22, libav has no equivalent patch see thread here: http://thread.gmane.org/gmane.comp.video.libav.devel/15130

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

Related Ubuntu Security Notices (USN)

Other references