Ubuntu Update for Linux kernel vulnerabilities USN-418-1
Please Install the Updated Packages.
A flaw was discovered in Bind's DNSSEC validation code. Remote attackers could send a specially crafted DNS query which would cause the Bind server to crash, resulting in a denial of service. Only servers configured to use DNSSEC extensions were vulnerable.
bind9 vulnerabilities on Ubuntu 5.10 , Ubuntu 6.06 LTS , Ubuntu 6.10