CVE-2012-0850

Publication date 14 February 2012

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Description

The sbr_qmf_synthesis function in libavcodec/aacsbr.c in FFmpeg before 0.9.1 allows remote attackers to cause a denial of service (application crash) via a crafted mpg file that triggers memory corruption involving the v_off variable, probably a buffer underflow.

Read the notes from the security team

Status

Package Ubuntu Release Status
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
10.10 maverick Not in release
10.04 LTS lucid Not in release
8.04 LTS hardy Not in release
ffmpeg 12.04 LTS precise Not in release
11.10 oneiric Not in release
11.04 natty Not in release
10.10 maverick Ignored end of life
10.04 LTS lucid
Not affected
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
10.10 maverick Ignored end of life
10.04 LTS lucid
Not affected
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

as of 2012-05-22, no fix in libav 0.6.x and 0.7.x code not present in ffmpeg 0.5.x

Patch details

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

Package Patch details
libav
ffmpeg

References

Related Ubuntu Security Notices (USN)

Other references