1. Ubuntu Security Notices
  2. USN-1790-1

USN-1790-1: Libav vulnerabilities

Publication date

4 April 2013

Overview

Libav could be made to crash or run programs as your login if it opened a specially crafted file.

Releases

Packages

  • libav - Multimedia player, server, encoder and transcoder

Details

It was discovered that Libav incorrectly handled certain malformed media
files. If a user were tricked into opening a crafted media 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.

It was discovered that Libav incorrectly handled certain malformed media
files. If a user were tricked into opening a crafted media 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

This update uses a new upstream release, which includes additional bug fixes. In general, a standard system update will make all the necessary changes.

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
12.10 quantal libavformat53 –  6:0.8.6-0ubuntu0.12.10.1
libavcodec53 –  6:0.8.6-0ubuntu0.12.10.1
12.04 precise libavformat53 –  4:0.8.6-0ubuntu0.12.04.1
libavcodec53 –  4:0.8.6-0ubuntu0.12.04.1

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References

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