RHSA-2026:99775: 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:python3.11: python3.11-3.11.18-1.4.hum1 (aarch64, s390x, x8664) python3.11-debug-3.11.18-1.4.hum1 (aarch64, s390x, x8664) python3.11-devel-3.11.18-1.4.hum1 (aarch64, s390x, x8664) python3.11-idle-3.11.18-1.4.hum1 (aarch64, s390x, x8664) python3.11-libs-3.11.18-1.4.hum1 (aarch64, s390x, x8664) python3.11-test-3.11.18-1.4.hum1 (aarch64, s390x, x8664) python3.11-tkinter-3.11.18-1.4.hum1 (aarch64, s390x, x8664) python3.11-3.11.18-1.4.hum1.src (src) Security Fix(es):python3.11: CVE-2026-115791 CVE-2026-19552 CVE-2026-115559

— 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 python3.11 to a version that resolves this vulnerability.
Fixed in 3.11.18-1.4.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·05:42 PM

Data Sourced

via Red Hat·05:42 PM

Severity

Frequently Asked Questions

Which Python 3.11 packages and architectures are covered by this update?

The update provides python3.11-3.11.18-1.4.hum1 and related debug, development, IDLE, libraries, test, and tkinter packages for aarch64, s390x, and x86_64. A source RPM for the same version is also included.

Which security issues are addressed?

The update fixes CVE-2026-115791, CVE-2026-19552, and CVE-2026-115559 in python3.11.