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High8.2Red Hat Linux

High [CVE-2026-3497] Information disclosure or denial of service due to uninitialized variables

This high-severity Red Hat Linux advisory covers CVE-2026-3497 affecting openssh, Red Hat OpenShift Container Platform 4.12, Middleware Containers for OpenShift.

CVE-2026-3497 Published Mar 12, 2026
CVE-2026-3497
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

Information disclosure or denial of service due to uninitialized variables. Red Hat rates this important (CVSS 8.2).

Weakness: CWE-824. Affected package(s): openssh, rhcos, rhpam, rhaiis/vllm-rocm-rhel9:1778244531, rhaiis/vllm-cuda-rhel9:1778274666, rhui5/installer-rhel9:1776868772.

Resolved in Red Hat advisory RHSA-2026:20040 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat OpenShift Container Platform 4.12; Middleware Containers for OpenShift; Red Hat OpenShift Container Platform 4.13; Red Hat OpenShift Container Platform 4.14; and 52 more.

Affected versions
  • openssh-0:8.7p1-48.el9_7
  • rhcos-412.86.202605271418-0
  • rhcos-414.92.202605060243-0
  • rhpam-7/rhpam-controller-rhel8:7.13.5-4.1777325710
  • openssh-0:8.0p1-28.el8_10
  • rhcos-417.94.202605112123-0
  • rhcos-418.94.202604240015-0
  • rhpam-7/rhpam-kieserver-rhel8:7.13.5-4.1777325709
  • rhaiis/vllm-rocm-rhel9:1778244531
  • rhpam-7/rhpam-smartrouter-rhel8:7.13.5-4.1777325708
  • rhaiis/vllm-cuda-rhel9:1778274666
  • rhpam-7/rhpam-businesscentral-monitoring-rhel8:7.13.5-4.1777325677

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

Fixed versions
  • RHSA-2026:20040

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-2026:20040 (`sudo dnf update` / `yum update`).

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

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