Ubuntu Update for imagemagick USN-1949-1

Solution
Please Install the Updated Packages.
Insight
It was discovered that ImageMagick incorrectly handled decoding GIF image comments. If a user or automated system using ImageMagick were tricked into opening a specially crafted GIF image, an attacker could exploit this to cause a denial of service or possibly execute code with the privileges of the user invoking the program.
Affected
imagemagick on Ubuntu 13.04 , Ubuntu 12.10