Mattias Bengtsson and Philip Olausson discovered that the GD library did not properly perform bounds checking when creating images. An attacker could send specially crafted input to applications linked against libgd2 and cause a denial of service or possibly execute arbitrary code.
The problem can be corrected by updating your system to the following package versions:
18 December 2007
A security issue affects these releases of Ubuntu and its derivatives:
Mattias Bengtsson and Philip Olausson discovered that the GD library did not properly perform bounds checking when creating images. An attacker could send specially crafted input to applications linked against libgd2 and cause 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.
In general, a standard system upgrade is sufficient to effect the necessary changes.
Vulmon