GO-2025-3942 CoreDNS: DNS Cache Pinning via etcd Lease ID Confusion in github.com/coredns/coredns

CoreDNS: DNS Cache Pinning via etcd Lease ID Confusion in github.com/coredns/coredns...

AZL-67097 CVE-2025-58063 affecting package coredns for versions less than 1.11.4-10

CoreDNS is a DNS server that chains plugins. Starting in version 1.2.0 and prior to version 1.12.4, the CoreDNS etcd plugin contains a TTL confusion vulnerability where lease IDs are incorrectly used as TTL values, enabling DNS cache pinning attacks. This effectively creates a DoS condition for D...

CVE-2025-58063

CoreDNS TTL confusion vulnerability (CVE-2025-58063) affects the etcd plugin: lease IDs (64-bit) are cast to uint32 and used as TTLs, enabling DNS cache pinning and denial of service. Affected: CoreDNS versions prior to 1.12.4 (from 1.2.0 up to