The Berkeley Internet Name Domain is an implementation of the Domain Name System protocols. BIND includes a DNS server ; a resolver library ; and tools for verifying that the DNS server is operating correctly. Security Fix: bind9: Parsing large DNS messages may cause excessive CPU load bind9: Querying RFC 1918 reverse zones may cause an assertion failure when nxdomain-redirect is enabled bind9: Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution bind9: Specific recursive query patterns may lead to an out-of-memory condition bind9: KeyTrap - Extreme CPU consumption in DNSSEC validator bind9: Preparing an NSEC3 closest encloser proof can exhaust CPU resources For more details about the security issue, including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page listed in the References section.