CLSA-2025-1739386415 bind: Fix of 3 CVEs

CVE-2023-5517: fix a flaw causing named to crash with an assertion failure when nxdomain-redirect is set, and a PTR query for an RFC 1918 address returns NXDOMAIN - CVE-2023-5679: fix a crash in named due to an assertion failure during recursive resolution when both DNS64 and serve-stale are...