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High7.5Red Hat Linux

High [CVE-2026-32286] Denial of Service via malicious PostgreSQL server

This high-severity Red Hat Linux advisory covers CVE-2026-32286 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 9, Red Hat Advanced Cluster Security for Kubernetes 4.8.

CVE-2026-32286 Published Mar 26, 2026
CVE-2026-32286
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Denial of Service via malicious PostgreSQL server. Red Hat rates this important (CVSS 7.5).

Weakness: CWE-1285.

Affected package(s): quay/quay-rhel8:1779689392, multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118, multicluster-globalhub/multicluster-globalhub-rhel9-operator:1779209992, multicluster-globalhub/multicluster-globalhub-manager-rhel9:1779210608, advanced-cluster-security/rhacs-scanner-v4-rhel8:1777307791, quay/quay-rhel8:1776752646.

Resolved in Red Hat advisory RHSA-2026:11916 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 9; Red Hat Advanced Cluster Security for Kubernetes 4.8; Red Hat Quay 3.10; and 19 more.

Affected versions
  • quay/quay-rhel8:1779689392
  • multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1780167118
  • multicluster-globalhub/multicluster-globalhub-rhel9-operator:1779209992
  • multicluster-globalhub/multicluster-globalhub-manager-rhel9:1779210608
  • advanced-cluster-security/rhacs-scanner-v4-rhel8:1777307791
  • quay/quay-rhel8:1776752646
  • multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753
  • advanced-cluster-security/rhacs-main-rhel8:1777307791
  • multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439
  • quay/quay-rhel8:1776736910
  • quay/quay-rhel8:1780891395
  • quay/quay-rhel9:1779922205

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

Fixed versions
  • RHSA-2026:11916

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-2026:11916 (`sudo dnf update` / `yum update`).

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

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