Affected by GO-2024-3130
and 10 other vulnerabilities
GO-2024-3130: CoreDNS vulnerable to TuDoor Attacks in github.com/coredns/coredns
GO-2025-3743: CoreDNS Vulnerable to DoQ Memory Exhaustion via Stream Amplification in github.com/coredns/coredns
GO-2025-3942: CoreDNS: DNS Cache Pinning via etcd Lease ID Confusion in github.com/coredns/coredns
GO-2026-4289: CoreDNS gRPC/HTTPS/HTTP3 servers lack resource limits, enabling DoS via unbounded connections and oversized messages in github.com/coredns/coredns
GO-2026-4630: CoreDNS ACL Bypass in github.com/coredns/coredns
GO-2026-4635: CoreDNS Loop Detection Denial of Service Vulnerability in github.com/coredns/coredns
GO-2026-4969: CoreDNS' DoQ worker pool does not bound stream backlog in github.com/coredns/coredns
GO-2026-5164: CoreDNS DoH GET oversized dns= query parameter causes pre-validation CPU and memory amplification in github.com/coredns/coredns
GO-2026-5417: CoreDNS' transfer stanza selection uses lexicographic compare (subzone ACL bypass) in github.com/coredns/coredns
GO-2026-5583: CoreDNS has TSIG authentication bypass on DoT, DoH, DoH3, DoQ, and gRPC in github.com/coredns/coredns
GO-2026-5667: CoreDNS has TSIG authentication bypass on gRPC and QUIC transports in github.com/coredns/coredns
New makes a new replacer. This only needs to be called once in the setup and
then call Replace for each incoming message. A replacer is safe for concurrent use.