The updated packages fix security vulnerabilities: Parsing large DNS messages may cause excessive CPU load. (CVE-2023-4408) Querying RFC 1918 reverse zones may cause an assertion failure when "nxdomain-redirect" is enabled. (CVE-2023-5517) Enabling both DNS64 and serve-stale may cause an assertion failure during recursive resolution. (CVE-2023-5679) KeyTrap - Extreme CPU consumption in DNSSEC validator. (CVE-2023-50387) Preparing an NSEC3 closest encloser proof can exhaust CPU resources. (CVE-2023-50868)