CVE-2026-13204 Unexpected exit in certain situations with NSEC and NSEC3 both present

If a provably insecure domain is covered by both an NSEC and NSEC3 record at the parent, and there exist an RRSIG for only one of these types, then BIND may exit unexpectedly with an assertion while validating this proof. This issue affects BIND 9 versions 9.11.0 through 9.18.50, 9.20.0 through...

PT-2026-63419

Name of the Vulnerable Software and Affected Versions BIND 9 versions 9.11.0 through 9.18.50 BIND 9 versions 9.20.0 through 9.20.24 BIND 9 versions 9.21.0 through 9.21.23 BIND 9 versions 9.11.3-S1 through 9.18.50-S1 BIND 9 versions 9.20.9-S1 through 9.20.24-S1 Description BIND may exit unexpected...

K00724442: BIG-IP DNS and GTM DNSSEC security exposure

Security Advisory Description The BIG-IP DNSSEC implementation returns an incorrect NSEC3 record for a DNS query for a resource record type, which does not exist at given name. The incorrect record indicates that only one of TXT/HINFO/RP resource record types exists at given name, even if A or AA...

powerdns-recursor -- insufficient validation of DNSSEC signatures

PowerDNS Security Advisory reports: An issue has been found in the DNSSEC validation component of PowerDNS Recursor, allowing an ancestor delegation NSEC or NSEC3 record to be used to wrongfully prove the non-existence of a RR below the owner name of that record. This would allow an attacker in...

AIX 6.1 TL 6 : bind9 (IV11743)

An as-yet unidentified network event caused BIND 9 resolvers to cache an invalid record, subsequent queries for which could crash the resolvers with an assertion failure. Furthermore, AIX BIND 9.4.1 is affected by the following three security vulnerabilities: CVE-2010-0382 - ISC BIND...