Ubuntu Update for krb5 vulnerability USN-879-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-879-1
Solution
Please Install the Updated Packages.
Insight
Jeff Blaine, Radoslav Bodo, Jakob Haufe, and Jorgen Wahlsten discovered that the Kerberos Key Distribution Center service did not correctly verify certain network traffic. An unauthenticated remote attacker could send a specially crafted request that would cause the KDC to crash, leading to a denial of service.
Affected
krb5 vulnerability on Ubuntu 9.10