RHSA-2026:99570: Red Hat Hardened Images RPMs Security Update

Published Nov 12, 2026

Updated

Red Hat Hardened Images RPMs Security Update

Other sources

This update includes the following RPMs:python3.13: python3.13-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-debug-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-devel-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-freethreading-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-freethreading-debug-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-idle-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-libs-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-test-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-tkinter-3.13.18-1.4.hum1 (aarch64, s390x, x8664) python3.13-3.13.18-1.4.hum1.src (src) Security Fix(es):python3.13: CVE-2026-19552

— Red Hat

Affected Software

1 affected component

Red Hat Red Hat Hardened Images

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade python3.13 to a version that resolves this vulnerability.
Fixed in 3.13.18-1.4.hum1

Event History

Nov 12, 2026

Advisory Published

via Red Hat·12:00 AM

Data Sourced

via Red Hat·12:00 AM

RemedyDescriptionAffected Software

Advisory Published

via Red Hat·09:29 AM

Data Sourced

via Red Hat·09:29 AM

Severity

Frequently Asked Questions

Which systems can receive this update?

The update provides Python 3.13 RPMs for Red Hat Hardened Images on aarch64, s390x, and x86_64 architectures. A source RPM is also included.

Which installed packages should be checked when determining whether the update is present?

Check for python3.13-3.13.18-1.4.hum1 and related Python 3.13 subpackages, including libs, devel, debug, freethreading, idle, test, and tkinter. The advisory identifies CVE-2026-19552 as the security fix included in these RPMs.