RHSA-2026:50771: Important: python3.12 security update
Important: 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): python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations (CVE-2026-15308) 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.
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/python3.12to a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14 - Upgrade
Upgrade
redhat/python3.12-debuginfoto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14 - Upgrade
Upgrade
redhat/python3.12-debugsourceto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14 - Upgrade
Upgrade
redhat/python3.12-develto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14 - Upgrade
Upgrade
redhat/python3.12-libsto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14 - Upgrade
Upgrade
redhat/python3.12-tkinterto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14 - Upgrade
Upgrade
redhat/python3.12to a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14.aa - Upgrade
Upgrade
redhat/python3.12-debuginfoto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14.aa - Upgrade
Upgrade
redhat/python3.12-debugsourceto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14.aa - Upgrade
Upgrade
redhat/python3.12-develto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14.aa - Upgrade
Upgrade
redhat/python3.12-libsto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14.aa - Upgrade
Upgrade
redhat/python3.12-tkinterto a version that resolves this vulnerability.Fixed in 3.12.1-4.el9_4.14.aa
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:50771?
The severity of RHSA-2026:50771 is high, rated as 7.
How do I fix RHSA-2026:50771?
To fix RHSA-2026:50771, update the affected python3.12 packages to their latest versions.
What are the affected packages in RHSA-2026:50771?
The affected packages include redhat/python3.12, redhat/python3.12-debuginfo, redhat/python3.12-debugsource, redhat/python3.12-devel, redhat/python3.12-libs, and redhat/python3.12-tkinter.
When was RHSA-2026:50771 published?
RHSA-2026:50771 was published on August 5, 2026.
What is the importance of the RHSA-2026:50771 update for Python?
The RHSA-2026:50771 update is important due to security vulnerabilities that may affect the functionality and security of applications using Python 3.12.