Ubuntu Update for bind9 USN-1657-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1657-1
Solution
Please Install the Updated Packages.
Insight
It was discovered that Bind incorrectly handled certain crafted queries when DNS64 was enabled. A remote attacker could use this flaw to cause Bind to crash, resulting in a denial of service.
Affected
bind9 on Ubuntu 12.10 , Ubuntu 12.04 LTS