Ubuntu Update for bind9 USN-1139-1

Summary
Ubuntu Update for Linux kernel vulnerabilities USN-1139-1
Solution
Please Install the Updated Packages.
Insight
It was discovered that Bind incorrectly handled certain bad signatures if multiple trust anchors existed for a single zone. A remote attacker could use this flaw to cause Bind to stop responding, resulting in a denial of service. This issue only affected Ubuntu 8.04 LTS and 10.04 LTS. (CVE-2010-3762) Frank Kloeker and Michael Sinatra discovered that Bind incorrectly handled certain very large RRSIG RRsets included in negative responses. A remote attacker could use this flaw to cause Bind to stop responding, resulting in a denial of service. (CVE-2011-1910)
Affected
bind9 on Ubuntu 11.04 , Ubuntu 10.10 , Ubuntu 10.04 LTS , Ubuntu 8.04 LTS
References