High7.3Red Hat Linux

High [CVE-2026-39892] Buffer overflow via non-contiguous buffer in API

This high-severity Red Hat Linux advisory covers CVE-2026-39892 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-2026-39892 Published Apr 8, 2026

CVE-2026-39892

Affected products & platforms

Red Hat LinuxUnclassified

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Summary

Buffer overflow via non-contiguous buffer in API. Red Hat rates this important (CVSS 7.3).

Weakness: CWE-131. Affected package(s): ansible-automation-platform, quay/quay-rhel8:1779811473, quay/quay-rhel8:1779689392, ansible-automation-platform-tech-preview/metrics-service-rhel9:1779760844, automation-controller, python3.12-cryptography.

Resolved in Red Hat advisory RHSA-2026:23361 — 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 AI Inference Server 3.3; and 20 more.

Affected versions

ansible-automation-platform-26/gateway-rhel9:1779773804
ansible-automation-platform-26/hub-rhel9:1779761061
quay/quay-rhel8:1779811473
quay/quay-rhel8:1779689392
ansible-automation-platform-tech-preview/metrics-service-rhel9:1779760844
ansible-automation-platform-26/controller-rhel9:1779762270
automation-controller-0:4.6.29-2.el8ap
python3.12-cryptography-0:46.0.7-1.el8ap
automation-controller-0:4.6.29-2.el9ap
python3.12-cryptography-0:46.0.7-1.el9ap
ansible-automation-platform-26/ee-supported-rhel9:1779734628
automation-controller-0:4.7.12-1.el9ap

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

Fixed versions

RHSA-2026:23361

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-2026:23361 (`sudo dnf update` / `yum update`).

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

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