Medium5.3Red Hat & Ubuntu Linux
Denial of Service due to HTTP/2 max header size handling
CVE-2026-50560 Published Jun 12, 2026
CVE-2026-50560
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
Denial of Service due to HTTP/2 max header size handling. Red Hat rates this moderate (CVSS 5.3). Weakness: CWE-770. Affected package(s): netty-codec-http2. Resolved in Red Hat advisory RHSA-2026:26018 — update the affected packages (`sudo dnf update`).
Affected versions
- netty-codec-http2
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Fixed versions
- RHSA-2026:26018
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:26018 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 hours ago·verify at source
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