Critical9.1Vendor: HighRed Hat Linux

Critical [CVE-2026-41607] Out-of-bounds Read vulnerability

This critical-severity Red Hat Linux advisory covers CVE-2026-41607 affecting Red Hat Advanced Cluster Management for Kubernetes 2.14, Red Hat Advanced Cluster Management for Kubernetes 2.15, Red Hat OpenShift distributed tracing 3.9.3.

CVE-2026-41607 Published Apr 28, 2026

CVE-2026-41607

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Out-of-bounds Read vulnerability. Red Hat rates this important (CVSS 9.1).

Weakness: CWE-125.

Affected package(s): multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, rhosdt/tempo-rhel9:1778158374, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439, rhosdt/tempo-query-rhel9:1778158343.

Resolved in Red Hat advisory RHSA-2026:21769 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat OpenShift distributed tracing 3.9.3; Red Hat AI Inference Server; and 13 more.

Affected versions

multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259
multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118
rhosdt/tempo-rhel9:1778158374
multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753
multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439
rhosdt/tempo-query-rhel9:1778158343
rhacm2/acm-grafana-rhel9:1780677003
rhosdt/tempo-jaeger-query-rhel9:1778158391

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

RHSA-2026:21769

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Update the affected package(s) to the fixed version shipped in RHSA-2026:21769 (`sudo dnf update` / `yum update`).

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

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