Ubuntu Update for pptpd vulnerability USN-459-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-459-1
Solution
Please Install the Updated Packages.
Insight
A flaw was discovered in the PPTP tunnel server. Remote attackers could send a specially crafted packet and disrupt established PPTP tunnels, leading to a denial of service.
Affected
pptpd vulnerability on Ubuntu 6.06 LTS , Ubuntu 6.10 , Ubuntu 7.04