RHSA-2026:91646: High severity Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support vulnerability
Published Oct 28, 2026
·Updated
Important: osbuild-composer security update
Affected Software
8 affected components
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - 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 ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Event History
Oct 28, 2026
Advisory Published
via Red Hat·11:22 AM
Data Sourced
via Red Hat·11:22 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which Red Hat Enterprise Linux architectures and support channels are covered by this advisory?
The advisory covers x86_64, ARM 64, IBM z Systems, and Power little endian systems. It applies to both the listed four-year support/update offerings and Extended Update Support offerings.
2
When was this advisory published?
It was published and last modified on 2026-10-28.