Ubuntu Update for cupsys vulnerability USN-539-1

Ubuntu Update for Linux kernel vulnerabilities USN-539-1
Please Install the Updated Packages.
Alin Rad Pop discovered that CUPS did not correctly validate buffer lengths when processing IPP tags. Remote attackers successfully exploiting this vulnerability would gain access to the non-root CUPS user in Ubuntu 6.06 LTS, 6.10, and 7.04. In Ubuntu 7.10, attackers would be isolated by the AppArmor CUPS profile.
cupsys vulnerability on Ubuntu 6.06 LTS , Ubuntu 6.10 , Ubuntu 7.04 , Ubuntu 7.10