Ubuntu Update for emacs21 vulnerability USN-504-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-504-1
Solution
Please Install the Updated Packages.
Insight
Hendrik Tews discovered that emacs21 did not correctly handle certain GIF images. By tricking a user into opening a specially crafted GIF, a remote attacker could cause emacs21 to crash, resulting in a denial of service.
Affected
emacs21 vulnerability on Ubuntu 6.06 LTS , Ubuntu 6.10 , Ubuntu 7.04
References