Emmanuel Bouillon discovered that CUPS did not properly handle certain Internet Printing Protocol (IPP) packets. A remote attacker could use this flaw to cause a denial of service or possibly execute arbitrary code. In the default installation in Ubuntu 8.04 LTS and later, attackers would be isolated by the CUPS AppArmor profile.
The problem can be corrected by updating your system to the following package versions:
4 November 2010
A security issue affects these releases of Ubuntu and its derivatives:
Emmanuel Bouillon discovered that CUPS did not properly handle certain Internet Printing Protocol (IPP) packets. A remote attacker could use this flaw to cause a denial of service or possibly execute arbitrary code. In the default installation in Ubuntu 8.04 LTS and later, attackers would be isolated by the CUPS AppArmor profile.
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 update will make all the necessary changes.
Vulmon