CVE-2026-26018

CoreDNS Loop Detection Denial of Service Vulnerability

CVE-2026-26018 is fixed in 2 products on 1 platform, first by SUSE-SU-2026:1042-1, released March 25, 2026. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.5
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0124
69th percentile

This update for coredns fixes the following issues: Changes in coredns: - Update to version 1.14.2: * plugin/reload: Allow disabling jitter with 0s * bump deps * plugin/forward: fix parsing error when handling TLS+IPv6 address * plugin/loop: use crypto/rand for query name generation * plugin: reorder rewrite before acl to prevent bypass * fix(rewrite): fix cname target rewrite for CNAME chains * fix(kubernetes): panic on empty ListenHosts * chore: bump minimum Go version to 1.25 * feat(proxyproto): add proxy protocol support * refactor(cache): modernize with generics * Add metadata for response Type and Class to Log * docs: clarify kubernetes auth docs * fix: return SOA and NS records when queried for a record CNAMEd to origin - fixes bsc#1259320 CVE-2026-26017 - fixes bsc#1259319 CVE-2026-26018 - address more unstable unstable tests under aarch64 and s390x - Update to version 1.14.1: * This release primarily addresses security vulnerabilities affecting Go versions prior to Go 1.25.6 and Go 1.24.12 (CVE-2025-61728, CVE-2025-61726, CVE-2025-68121, CVE-2025-61731, CVE-2025-68119). It also includes performance improvements to the proxy plugin via multiplexed connections, along with various documentation updates.

Where it's fixed

ProductFixed inFixReleased
Linux
coredns · opensuse-leap 16.0 1.14.2-bp160.1.1 OPENSUSE-SU-2026:20619-1 Apr 23, 2026
govulncheck-vulndb · opensuse-leap 15.6 0.0.20260317T205859-150000.1.152.1 SUSE-SU-2026:1042-1 Mar 25, 2026
govulncheck-vulndb · opensuse-leap 16.0 0.0.20260723T184607-160000.1.1 OPENSUSE-SU-2026:21483-1 Jul 30, 2026

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