bind: abort DoS caused by uninitialized value use in isselfsigned()

A flaw was found in the way BIND performed DNSSEC validation. An attacker able to make BIND functioning as a DNS resolver with DNSSEC validation enabled resolve a name in an attacker-controlled domain could cause named to exit unexpectedly with an assertion failure...

ISC BIND 'isselfsigned()' Denial of Service Vulnerability

BIND is a very widely used implementation of the DNS protocol. ISC BIND name.c is configured as a DNSSEC-verifiable recursive resolver, allowing remote attackers to construct domain data, query the domain name, and submit special requests that can crash the backend program...