3.7

CVE-2026-62994

Exploit

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 k8s_external headless-service zone transfers and Kubernetes contains a headless service endpoint with no declared ports; plugin/kubernetes/object/endpoint.go creates Port: -1, plugin/k8s_external/msg_to_dns.go skips that service, plugin/k8s_external/transfer.go sends an empty []dns.RR batch, and plugin/transfer/transfer.go indexes records[0] without checking the batch is non-empty. This issue is fixed in version 1.14.5.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Coredns.Io ≫ Coredns Version >= 1.9.4 < 1.14.5
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.3% 0.216
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
security-advisories@github.com 3.7 2.2 1.4
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE-248 Uncaught Exception

An exception is thrown from a function, but it is not caught.

CWE-755 Improper Handling of Exceptional Conditions

The product does not handle or incorrectly handles an exceptional condition.

https://github.com/coredns/coredns/security/advisories/GHSA-74w3-63xv-x9mv
Third Party Advisory
Exploit
https://github.com/coredns/coredns/pull/8207
Patch
Issue Tracking
https://github.com/coredns/coredns/commit/ab318db7b4a3a19273852ed627f54888198c8efb
Patch
https://github.com/coredns/coredns/releases/tag/v1.14.5
Release Notes