High [CVE-2026-45416] Denial of Service due to eager buffer allocation in TLS handshake
This high-severity Red Hat Linux advisory covers CVE-2026-45416 affecting Red Hat Offline Knowledge Portal 1.2.7, OpenShift Serverless, Red Hat AMQ Broker 7.
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Summary
Denial of Service due to eager buffer allocation in TLS handshake. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-770. Affected package(s): netty-handler, offline-knowledge-portal/rhokp-rhel9:1782239370.
Resolved in Red Hat advisory RHSA-2026:26586 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Red Hat Offline Knowledge Portal 1.2.7; OpenShift Serverless; Red Hat AMQ Broker 7; Red Hat AMQ Clients; and 22 more.
- netty-handler
- offline-knowledge-portal/rhokp-rhel9:1782239370
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:26586
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:26586 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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