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
- Coredns — versions < 1.14.5
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (x_refsource_CONFIRM)
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.