Ubuntu Security Notice USN-931-1

19th April, 2010

ffmpeg, ffmpeg-debian vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 9.10
• Ubuntu 9.04
• Ubuntu 8.10
• Ubuntu 8.04 LTS

Software description

• ffmpeg
• ffmpeg-debian

Details

It was discovered that FFmpeg contained multiple security issues when
handling certain multimedia files. If a user were tricked into opening a
crafted multimedia file, an attacker could cause a denial of service via
application crash, or possibly execute arbitrary code with the privileges
of the user invoking the program.

Update instructions

The problem can be corrected by updating your system to the following package version:

Ubuntu 9.10:

libavformat52 4:0.5+svn20090706-2ubuntu2.1

libavcodec52 4:0.5+svn20090706-2ubuntu2.1

Ubuntu 9.04:

libavformat52 3:0.svn20090303-1ubuntu6.1

libavcodec52 3:0.svn20090303-1ubuntu6.1

Ubuntu 8.10:

libavformat52 3:0.svn20080206-12ubuntu3.2

libavcodec51 3:0.svn20080206-12ubuntu3.2

Ubuntu 8.04 LTS:

libavformat1d 3:0.cvs20070307-5ubuntu7.4

libavcodec1d 3:0.cvs20070307-5ubuntu7.4

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

In general, a standard system upgrade is sufficient to effect the
necessary changes.

References

CVE-2009-4632, CVE-2009-4633, CVE-2009-4634, CVE-2009-4635, CVE-2009-4637, CVE-2009-4639, CVE-2009-4640