RHSA-2026:18958: Moderate: python3.12 security update
Moderate: python3.12 security update
Other sources
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): cpython: wsgiref.headers.Headers allows header newline injection in Python (CVE-2026-0865) 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.Additional Changes:For detailed information on changes in this release, see the Red Hat Enterprise Linux 9 Release Notes linked from the References section.
— Red Hat
Affected Software
Remediation
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:18958?
The severity of RHSA-2026:18958 is rated as moderate.
How do I fix RHSA-2026:18958?
To fix RHSA-2026:18958, you should update the affected packages to the latest version provided by Red Hat.
What products are affected by RHSA-2026:18958?
RHSA-2026:18958 affects various products including Red Hat Enterprise Linux for ARM 64, Power, IBM z Systems, and their CodeReady Linux Builder counterparts.
What is included in the RHSA-2026:18958 update?
The RHSA-2026:18958 update includes security improvements for python3.12.
Is there a workaround for RHSA-2026:18958?
There are no specific workarounds for RHSA-2026:18958; applying the security update is the recommended action.