It was discovered that Imlib2 did not correctly handle certain malformed XPM images. If a user were tricked into opening a specially crafted image with an application that uses Imlib2, an attacker could cause a denial of service and possibly execute arbitrary code with the user’s privileges.
The problem can be corrected by updating your system to the following package versions:
2 December 2008
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that Imlib2 did not correctly handle certain malformed XPM images. If a user were tricked into opening a specially crafted image with an application that uses Imlib2, an attacker could cause a denial of service and possibly execute arbitrary code with the user’s privileges.
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 any applications that use Imlib2 to effect the necessary changes.
Vulmon