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High8.2Red Hat Linux

High [CVE-2025-69534] denial of service via malformed HTML-like sequences

This high-severity Red Hat Linux advisory covers CVE-2025-69534 affecting Red Hat Ansible Automation Platform 2.5 for RHEL 8, Red Hat Ansible Automation Platform 2.5 for RHEL 9, Red Hat Ansible Automation Platform 2.6 for RHEL 9.

CVE-2025-69534 Published Mar 5, 2026
CVE-2025-69534
Affected products & platforms
Red Hat LinuxUnclassified
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Summary

denial of service via malformed HTML-like sequences. Red Hat rates this important (CVSS 8.2).

Weakness: CWE-617. Affected package(s): rhdh/rhdh-hub-rhel9:1776784286, python3.12-markdown, rhoai/odh-training-rocm62-torch25-py311-rhel9:1776272253, automation-controller, rhdh/rhdh-hub-rhel9:1777903262, rhoai/odh-training-cuda124-torch25-py311-rhel9:1776243287.

Resolved in Red Hat advisory RHSA-2026:13826 — update the affected packages (`sudo dnf update`).

Affected products named by the advisory: Red Hat Ansible Automation Platform 2.5 for RHEL 8; Red Hat Ansible Automation Platform 2.5 for RHEL 9; Red Hat Ansible Automation Platform 2.6 for RHEL 9; Red Hat Enterprise Linux 10.0 Extended Update Support; and 11 more.

Affected versions
  • rhdh/rhdh-hub-rhel9:1776784286
  • python3.12-markdown-0:3.8.2-1.el9pc
  • rhoai/odh-training-rocm62-torch25-py311-rhel9:1776272253
  • automation-controller-0:4.7.11-2.el9ap
  • rhdh/rhdh-hub-rhel9:1777903262
  • python3.12-markdown-0:3.10.2-1.el9ap
  • rhoai/odh-training-cuda124-torch25-py311-rhel9:1776243287
  • python3.12-markdown-0:3.10.2-1.el8ap
  • python-markdown-0:3.5.1-6.el10_0.1
  • python-markdown-0:3.3.4-4.el9_4.2
  • python-markdown-0:3.8.2-1.el8pc
  • rhoai/odh-modelmesh-runtime-adapter-rhel9:1776768939

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

Fixed versions
  • RHSA-2026:13826

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-2026:13826 (`sudo dnf update` / `yum update`).

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

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