RHSA-2026:72376: High severity Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle Long Life vulnerability
Published Sep 28, 2026
·Updated
Important: qt5-qtbase security update
Affected Software
5 affected components
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle Long Life
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle Long Life
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle Long Life
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle Long Life
Event History
Sep 28, 2026
Advisory Published
via Red Hat·06:23 AM
Data Sourced
via Red Hat·06:23 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems are covered by this security update?
The update applies to the listed Red Hat Enterprise Linux Extended Life Cycle Long Life variants for IBM z Systems, ARM 64, Power little endian, and x86_64, as well as Red Hat Enterprise Linux Server with AUS.
2
How urgent is remediation?
The advisory is rated Important and has high severity (7), with a listed risk value of 33. Prioritize applying the qt5-qtbase security update on affected supported environments.