Multiple integer overflows were found in the XGetPixel function of libx11. If a user were tricked into opening a specially crafted XWD image, remote attackers could execute arbitrary code with user privileges.
The problem can be corrected by updating your system to the following package versions:
18 April 2007
A security issue affects these releases of Ubuntu and its derivatives:
Multiple integer overflows were found in the XGetPixel function of libx11. If a user were tricked into opening a specially crafted XWD image, remote attackers could execute arbitrary code with user 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 your session or reboot your computer to effect the necessary changes.
Vulmon