OESA-2026-2720 coredns security update

CoreDNS is a fast and flexible DNS server. The key word here is flexible: with CoreDNS you are able to do what you want with your DNS data by utilizing plugins. Security Fixes: CoreDNS is a DNS server that chains plugins. Starting in version 1.2.0 and prior to version 1.12.4, the CoreDNS etcd...

Cache Poisoning

github.com/coredns/coredns is vulnerable to Cache Poisoning. The vulnerability is due to the etcd plugin incorrectly using 64-bit lease IDs as 32-bit TTL values in the TTL function, which allows an attacker to create very large TTLs that enable DNS cache pinning attacks, potentially causing a...

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...

CoreDNS: DNS Cache Pinning via etcd Lease ID Confusion

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SUSE CVE-2025-58063

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...

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...

AZL-67101 CVE-2025-58063 affecting package coredns for versions less than 1.11.1-22

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: DNS Cache Pinning via etcd Lease ID Confusion

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: DNS Cache Pinning via etcd Lease ID Confusion

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 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: DNS Cache Pinning via etcd Lease ID Confusion

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

CVE-2025-58063

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...

CoreDNS: DNS Cache Pinning via etcd Lease ID Confusion

Summary The CoreDNS etcd plugin contains a TTL confusion vulnerability where lease IDs are incorrectly used as TTL values, enabling cache pinning for very long periods. This can effectively cause a denial of service for DNS updates/changes to affected services. Details In plugin/etcd/etcd.go, the...

GHSA-93MF-426M-G6X9 CoreDNS: DNS Cache Pinning via etcd Lease ID Confusion

Summary The CoreDNS etcd plugin contains a TTL confusion vulnerability where lease IDs are incorrectly used as TTL values, enabling cache pinning for very long periods. This can effectively cause a denial of service for DNS updates/changes to affected services. Details In plugin/etcd/etcd.go, the...

CVE-2025-58063: Incorrect Conversion between Numeric Types

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...

PT-2025-36935

Name of the Vulnerable Software and Affected Versions: CoreDNS versions 1.2.0 through 1.12.3 Description: CoreDNS, a DNS server that chains plugins, contains a TTL confusion vulnerability within the etcd plugin. This flaw arises from the incorrect use of lease IDs as TTL values, potentially...