Denial of Service due to excessive memory allocation in TLS 1.3 certificate compression
Summary
Denial of Service due to excessive memory allocation in TLS 1.3 certificate compression. Red Hat rates this low (CVSS 5.9). Weakness: CWE-770. Affected package(s): openssl, discovery/discovery-ui-rhel9:1769111774, costmanagement/costmanagement-metrics-rhel9-operator:1770836349, insights-proxy/insights-proxy-container-rhel9:1770740405, rhui5/rhua-rhel9:1773670137, rhui5/cds-rhel9:1773670073. Resolved in Red Hat advisory RHSA-2026:3228 — update the affected packages (`sudo dnf update`).
- openssl-1:3.5.1-7.el10_1
- discovery/discovery-ui-rhel9:1769111774
- costmanagement/costmanagement-metrics-rhel9-operator:1770836349
- insights-proxy/insights-proxy-container-rhel9:1770740405
- openssl-1:3.5.1-7.el9_7
- rhui5/rhua-rhel9:1773670137
- rhui5/cds-rhel9:1773670073
- rhui5/haproxy-rhel9:1773672059
- rhui5/installer-rhel9:1770646925
- discovery/discovery-server-rhel9:1769104765
- openssl-main-3.5.6-0.1.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
- RHSA-2026:3228
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:3228 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 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.