CVE-2026-13204

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...

CoreDNS' transfer stanza selection uses lexicographic compare (subzone ACL bypass)

Summary CoreDNS' transfer plugin can select the wrong ACL stanza when both a parent zone and a more-specific subzone are configured. A permissive parent-zone transfer rule can override a restrictive subzone rule name-dependent, allowing an unauthorized client to perform AXFR/IXFR for the subzone...

GHSA-H8MM-C463-WJQ3 CoreDNS' transfer stanza selection uses lexicographic compare (subzone ACL bypass)

Summary CoreDNS' transfer plugin can select the wrong ACL stanza when both a parent zone and a more-specific subzone are configured. A permissive parent-zone transfer rule can override a restrictive subzone rule name-dependent, allowing an unauthorized client to perform AXFR/IXFR for the subzone...

RUSTSEC-2026-0106 Record cache accepts AUTHORITY section NS from sibling zone via parent-pool zone-context elevation

The Hickory DNS project's experimental hickory-recursor crate's record cache DnsLru stores records from DNS responses keyed by each record's own name, type, not by the query that triggered the response. cacheresponse in crates/recursor/src/lib.rs chains ANSWER, AUTHORITY, and ADDITIONAL sections...

SUSE CVE-2018-14644

An issue has been found in PowerDNS Recursor from 4.0.0 up to and including 4.1.4. A remote attacker sending a DNS query for a meta-type like OPT can lead to a zone being wrongly cached as failing DNSSEC validation. It only arises if the parent zone is signed, and all the authoritative servers fo...

PT-2018-12638 · Powerdns +3 · Powerdns Recursor +3

Name of the Vulnerable Software and Affected Versions: PowerDNS Recursor versions 4.0.0 through 4.1.4 Description: A remote attacker can send a DNS query for a meta-type like OPT, leading to a zone being wrongly cached as failing DNSSEC validation. This issue arises when the parent zone is signed...

Fedora 26 : knot-resolver (2018-0c0671072b)

Knot Resolver 2.3.0 2018-04-23 ================================ Security -------- - fix CVE-2018-1110: denial of service triggered by malformed DNS messages !550, !558, security!2, security!4 - increase resilience against slow lorris attack security!5 Bugfixes -------- - validation: fix SERVFAIL ...