CVE-2026-86003

CoreDNS (a DNS server written in Go) prior to 1.14.7 fails to enforce the dns.DefaultMsgAcceptFunc request policy on its DNS-over-HTTPS, DNS-over-HTTP/3, DNS-over-QUIC, and DNS-over-gRPC listeners. Unlike the UDP, TCP, and DNS-over-TLS paths, these listeners call dns.Msg.Unpack without that polic...