Mesa could be made to crash or run programs if it processed specially crafted data.
It was discovered that Mesa incorrectly handled certain arrays. An attacker could use this issue to cause Mesa to crash, resulting in a denial of service, or possibly execute arbitrary code.
5 November 2012
A security issue affects these releases of Ubuntu and its derivatives:
Mesa could be made to crash or run programs if it processed specially crafted data.
It was discovered that Mesa incorrectly handled certain arrays. An attacker could use this issue to cause Mesa to crash, resulting in a denial of service, or possibly execute arbitrary code.
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 update you need to reboot your computer to make all the necessary changes.
Vulmon