CVE-2026-33489 CoreDNS transfer plugin subzone ACL bypass via lexicographic zone comparison

CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the transfer plugin can select the wrong ACL stanza when both a parent zone and a more-specific subzone are configured. The longestMatch function in plugin/transfer/transfer.go uses a lexicographic string comparison instead...

EUVD-2026-27450

CoreDNS is a DNS server that chains plugins. In versions prior to 1.14.3, the transfer plugin can select the wrong ACL stanza when both a parent zone and a more-specific subzone are configured. The longestMatch function in plugin/transfer/transfer.go uses a lexicographic string comparison instead...