bind: Fix of 2 CVEs

CVE-2026-13321: Reject NSEC records whose next owner name points outside the signer's zone, which let a signed zone forge proofs of non-existence for other zones - CVE-2026-11622: Reference count the cache rdataset headers so a superseded generation is freed as soon as nothing holds it, instead...

A buffer boundary check assertion in rdataset.c can fail incorrectly during zone transfer

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CVE-2002-0400

The CVE-2002-0400 issue affects ISC BIND 9 up to 9.2.0 (pre-9.2.1). A remote attacker can cause a DoS shutdown by sending a malformed DNS packet that triggers an internal error in dns_message_findtype() when the rdataset parameter is not NULL. Impact is denial of service (availability impact: par...