Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame
Summary
Denial of Service via malformed SETTINGS_MAX_FRAME_SIZE frame. Red Hat rates this important (CVSS 7.5). Weakness: CWE-606. Affected package(s): golang1, cluster-observability-operator/distributed-tracing-console-plugin-pf5-rhel9:1782839981, openshift-service-mesh/istio-cni-rhel9:1782222217, cluster-observability-operator/distributed-tracing-console-plugin-pf4-rhel9:1782840519, openshift-service-mesh/istio-pilot-rhel9:1782223138, openshift-service-mesh/istio-pilot-rhel9:1782222366. Resolved in Red Hat advisory RHSA-2026:23262 — update the affected packages (`sudo dnf update`).
- golang1-25-main-1.25.11-2.hum1
- cluster-observability-operator/distributed-tracing-console-plugin-pf5-rhel9:1782839981
- openshift-service-mesh/istio-cni-rhel9:1782222217
- cluster-observability-operator/distributed-tracing-console-plugin-pf4-rhel9:1782840519
- openshift-service-mesh/istio-pilot-rhel9:1782223138
- openshift-service-mesh/istio-pilot-rhel9:1782222366
- openshift-service-mesh/istio-pilot-rhel9:1782224487
- cluster-observability-operator/distributed-tracing-console-plugin-rhel9:1782838753
- cluster-observability-operator/logging-console-plugin-pf4-rhel9:1782839279
- cluster-observability-operator/monitoring-console-plugin-pf5-rhel9:1782844225
- openshift-service-mesh/istio-cni-rhel9:1782222163
- openshift-service-mesh/istio-rhel9-operator:1782222038
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
- RHSA-2026:23262
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:23262 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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