Security Advisories›RHSA-2026:9591

RHSA-2026:9591 — Security Advisory

Red Hat Security Advisory: python3.11 security update

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Severity

Important

Red Hat Product Security

RHEL 8

Products

Official CSAF product identity

Published · April 22, 2026

Updated · October 16, 2026

Topic

An update for python3.11 is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.

Security Fix(es):

  • python: Python: Command-line option injection in webbrowser.open() via crafted URLs (CVE-2026-4519)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Related CVEs