RHSA-2026:50065: Important: python3 security update
Important: python3 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/python3to a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/platform-pythonto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/platform-python-debugto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/platform-python-develto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/python3-debuginfoto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/python3-debugsourceto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/python3-idleto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/python3-libsto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/python3-testto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14 - Upgrade
Upgrade
redhat/python3-tkinterto a version that resolves this vulnerability.Fixed in 3.6.8-47.el8_6.14
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:50065?
The severity of RHSA-2026:50065 is categorized as high with a score of 7.
How do I fix RHSA-2026:50065?
You can fix RHSA-2026:50065 by applying the latest security update for python3 as provided by Red Hat.
What systems are affected by RHSA-2026:50065?
RHSA-2026:50065 affects the redhat/platform-python, redhat/python3, and several associated python3 packages.
What is the main purpose of the RHSA-2026:50065 update?
The main purpose of the RHSA-2026:50065 update is to address security vulnerabilities in python3 to enhance system security.
When was RHSA-2026:50065 published?
RHSA-2026:50065 was published on August 4, 2026.