NULL pointer dereference in Coredns

CVE-2026-62299

CoreDNS is a DNS server written in Go. Prior to 1.14.5, the CoreDNS rewrite plugin supports edns0 rewrite rules with an optional revert flag, and two response rules, edns0SetResponseRule and edns0ReplaceResponseRule[T] in plugin/rewrite/ed…

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-62299?
CVE-2026-62299 is a medium-severity vulnerability in Coredns, classified under NULL Pointer Dereference. CVSS score: 5.3/10. Published 2026-07-16.
How severe is CVE-2026-62299?
Medium severity. CVSS v3 base score is 5.3 out of 10.