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High7.5Red Hat Linux

High [CVE-2026-32285] Denial of Service via malformed JSON input

This high-severity Red Hat Linux advisory covers CVE-2026-32285 affecting Logging Subsystem for Red Hat OpenShift 6.4, Red Hat Advanced Cluster Management for Kubernetes 2.14, Red Hat Advanced Cluster Management for Kubernetes 2.15.

CVE-2026-32285 Published Mar 26, 2026
CVE-2026-32285
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Denial of Service via malformed JSON input. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-1285. Affected package(s): multicluster-engine/assisted-service, syft-main, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, trivy-main, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753.

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

Affected products named by the advisory: Logging Subsystem for Red Hat OpenShift 6.4; Red Hat Advanced Cluster Management for Kubernetes 2.14; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat Hardened Images; and 13 more.

Affected versions
  • multicluster-engine/assisted-service-9-rhel9:1779135478
  • syft-main-1.42.4-0.1.hum1
  • multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259
  • multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118
  • trivy-main-0.72.0-0.1.hum1
  • multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753
  • rhosdt/tempo-query-rhel9:1776435613
  • multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439
  • multicluster-engine/assisted-service-8-rhel8:1778288655
  • multicluster-engine/assisted-service-9-rhel9:1778288646
  • rhacm2/acm-grafana-rhel9:1777142269
  • rhosdt/tempo-rhel9:1776435680

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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