github.com/coredns/coredns/core/dnsserver: CoreDNS DoS via unbounded connections and oversized messages
Summary
github.com/coredns/coredns/core/dnsserver: CoreDNS DoS via unbounded connections and oversized messages. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-770. Affected package(s): rhacm2/lighthouse-coredns-rhel9:1774086225, rhacm2/lighthouse-coredns-rhel9:1780204249. Resolved in Red Hat advisory RHSA-2026:8151 — update the affected packages (`sudo dnf update`).
- rhacm2/lighthouse-coredns-rhel9:1774086225
- rhacm2/lighthouse-coredns-rhel9:1780204249
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
- RHSA-2026:8151
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:8151 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.