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High8.3Red Hat Linux

High [CVE-2026-33815] Memory-safety vulnerability

This high-severity Red Hat Linux advisory covers CVE-2026-33815 affecting Cryostat 4 on RHEL 9, RHEM 1.0 for RHEL 9, Red Hat Advanced Cluster Management for Kubernetes 2.15.

CVE-2026-33815 Published Apr 7, 2026
CVE-2026-33815
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Memory-safety vulnerability. Red Hat rates this important (CVSS 8.3).

Weakness: CWE-787. Affected package(s): advanced-cluster-security/rhacs-scanner-v4-rhel8:1777986630, rhtas/updatetree-rhel9:1780053572, rhtas/createtree-rhel9:1780053572, advanced-cluster-security/rhacs-scanner-v4-rhel8:1777307791, custom-metrics-autoscaler/custom-metrics-autoscaler-rhel9-operator:1779953535, rhtas/trillian-logserver-rhel9:1780053572.

Resolved in Red Hat advisory RHSA-2026:24482 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Cryostat 4 on RHEL 9; RHEM 1.0 for RHEL 9; Red Hat Advanced Cluster Management for Kubernetes 2.15; Red Hat Advanced Cluster Security for Kubernetes 4.10; and 16 more.

Affected versions
  • advanced-cluster-security/rhacs-scanner-v4-rhel8:1777986630
  • rhtas/updatetree-rhel9:1780053572
  • rhtas/createtree-rhel9:1780053572
  • advanced-cluster-security/rhacs-scanner-v4-rhel8:1777307791
  • custom-metrics-autoscaler/custom-metrics-autoscaler-rhel9-operator:1779953535
  • rhtas/trillian-logserver-rhel9:1780053572
  • advanced-cluster-security/rhacs-main-rhel8:1777307791
  • advanced-cluster-security/rhacs-roxctl-rhel8:1777986630
  • rhtas/trillian-database-rhel9:1780053572
  • advanced-cluster-security/rhacs-main-rhel8:1777976489
  • rhacm2/acm-grafana-rhel9:1780677003
  • advanced-cluster-security/rhacs-roxctl-rhel8:1777976489

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

Fixed versions
  • RHSA-2026:24482

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-2026:24482 (`sudo dnf update` / `yum update`).

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

Discussion(0)

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