RHSA-2026:66203: High severity Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support vulnerability
Published Sep 9, 2026
·Updated
Important: python3.12-lxml security update
Affected Software
16 affected components
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
Event History
Sep 9, 2026
Advisory Published
via Red Hat·07:36 PM
Data Sourced
via Red Hat·07:36 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems are in scope for this advisory?
The advisory applies to the listed Red Hat Enterprise Linux offerings for IBM z Systems, Power little endian, x86_64, ARM 64, and Power LE systems with Update Services for SAP Solutions. It includes several Extended Update Support, Extended Life Cycle, and four-years-of-updates subscriptions.
2
What package should administrators prioritize for remediation?
Administrators should prioritize updating python3.12-lxml on affected Red Hat Enterprise Linux systems. The advisory classifies the update as Important and the supplied severity is high.
3
When was the advisory issued?
RHSA-2026:66203 was published and last modified on 2026-09-09.