RHSA-2026:90424: High severity Red Hat Red Hat Enterprise Linux for x86_64 vulnerability
Published Oct 26, 2026
·Updated
Important: buildah security update
Affected Software
16 affected components
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
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
Red Hat Red Hat Enterprise Linux for ARM 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 Life Cycle
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 IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
Event History
Oct 26, 2026
Advisory Published
via Red Hat·06:41 PM
Data Sourced
via Red Hat·06:41 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems are covered by this update?
The update applies to the listed Red Hat Enterprise Linux offerings for x86_64, Power little endian, IBM z Systems, and ARM 64. It also covers specified Extended Life Cycle, Extended Update Support, SAP Solutions, and IBM z Systems four-year update variants.
2
How urgent is remediation?
The advisory is classified as Important and has a high severity rating of 7, with a listed risk value of 33. Prioritize applying the Buildah security update on affected supported RHEL systems.