High7.5Vendor: MediumRed Hat & Ubuntu Linux
Denial of Service via oversized DNS-over-HTTPS GET requests
CVE-2026-32936 Published May 5, 2026
CVE-2026-32936
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Denial of Service via oversized DNS-over-HTTPS GET requests. Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-1284. Affected package(s): rhacm2/lighthouse-agent-rhel9:1780204232, rhacm2/lighthouse-coredns-rhel9:1780204249. Resolved in Red Hat advisory RHSA-2026:25127 — update the affected packages (`sudo dnf update`).
Affected versions
- rhacm2/lighthouse-agent-rhel9:1780204232
- rhacm2/lighthouse-coredns-rhel9:1780204249
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Fixed versions
- RHSA-2026:25127
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:25127 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 4 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.