RHSA-2026:66327: High severity Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates vulnerability
Published Sep 10, 2026
·Updated
Important: osbuild-composer security, bug fix, and enhancement update
Affected Software
8 affected components
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Event History
Sep 10, 2026
Advisory Published
via Red Hat·05:05 AM
Data Sourced
via Red Hat·05:05 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which deployment platforms are covered by this update?
The update applies to Red Hat Enterprise Linux on IBM z Systems, Power little endian, ARM 64, and x86_64, across the listed 4-year update/support and Extended Update Support offerings.