It was discovered that ImageMagick did not properly verify the dimensions of TIFF files. If a user or automated system were tricked into opening a crafted TIFF file, an attacker could cause a denial of service or possibly 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:
8 June 2009
A security issue affects these releases of Ubuntu and its derivatives:
It was discovered that ImageMagick did not properly verify the dimensions of TIFF files. If a user or automated system were tricked into opening a crafted TIFF file, an attacker could cause a denial of service or possibly 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.
In general, a standard system upgrade is sufficient to effect the necessary changes.
Vulmon