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CVE-2011-3947

Publication date 13 May 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Buffer overflow in mjpegbdec.c in libavcodec in FFmpeg 0.7.x before 0.7.12 and 0.8.x before 0.8.11, and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.5, and 0.8.x before 0.8.1, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted MJPEG-B file.

Read the notes from the security team

Status

Package Ubuntu Release Status
ffmpeg 12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.04 LTS lucid
Fixed 4:0.5.9-0ubuntu0.10.04.1
8.04 LTS hardy Ignored end of life
ffmpeg-extra 12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.04 LTS lucid
Fixed
8.04 LTS hardy Not in release
libav 12.04 LTS precise
Not affected
11.10 oneiric
Fixed 4:0.7.6-0ubuntu0.11.10.1
11.04 natty
Fixed 4:0.6.6-0ubuntu0.11.04.1
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
libav-extra 12.04 LTS precise
Not affected
11.10 oneiric
Fixed
11.04 natty
Fixed
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

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