It was discovered that libsndfile did not correctly handle description chunks in CAF audio files. If a user or automated system were tricked into opening a specially crafted CAF audio file, an attacker could execute arbitrary code with the privileges of the user invoking the program.
The problem can be corrected by updating your system to the following package versions:
30 March 2009
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that libsndfile did not correctly handle description chunks in CAF audio files. If a user or automated system were tricked into opening a specially crafted CAF audio file, an attacker could execute arbitrary code with the privileges of the user invoking the program.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
After a standard system upgrade you need to restart your session to effect the necessary changes.