CVE-2026-62994

CoreDNS is a DNS server written in Go. From 1.9.4 until 1.14.5, a network DNS client allowed to request AXFR for a CoreDNS zone can trigger a panic when CoreDNS is configured with k8sexternal headless-service zone transfers and Kubernetes contains a headless service endpoint with no declared port...

CVE-2026-62994

CoreDNS vulnerability CVE-2026-62994 affects the Go-based DNS server in versions 1.9.4 through 1.14.5. When a network DNS client uses AXFR for a CoreDNS zone and CoreDNS is configured with the k8s_external headless-service zone transfers feature, and Kubernetes contains a headless service endpoin...

CVE-2026-62994 CoreDNS `k8s_external` headless AXFR can emit an empty transfer batch that panics the `transfer` plugin

CoreDNS is a DNS server written in Go. From 1.9.4 until 1.14.5, a network DNS client allowed to request AXFR for a CoreDNS zone can trigger a panic when CoreDNS is configured with k8sexternal headless-service zone transfers and Kubernetes contains a headless service endpoint with no declared port...