RHSA-2026:89859: High severity Red Hat Red Hat Enterprise Linux for x86_64 vulnerability
Published Oct 26, 2026
·Updated
Important: flatpak security update
Affected Software
12 affected components
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat CodeReady Linux Builder for x86_64
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for ARM 64
Event History
Oct 26, 2026
Advisory Published
via Red Hat·09:04 AM
Data Sourced
via Red Hat·09:04 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which Red Hat platforms are covered by this update?
The update covers Red Hat Enterprise Linux for x86_64, ARM 64, IBM z Systems, and Power little endian. It also covers CodeReady Linux Builder for x86_64, IBM z Systems, and Power little endian.
2
Are Extended Life Cycle systems included?
Yes. Red Hat Enterprise Linux for IBM z Systems and for Power little endian are listed as covered under Extended Life Cycle.