RHSA-2026:63134: High severity Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support vulnerability

Published Sep 3, 2026
·
Updated

Important: osbuild-composer security update

Affected Software

8 affected components
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_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 3, 2026
Advisory Published
via Red Hat·08:50 AM
Data Sourced
via Red Hat·08:50 AM
DescriptionSeverityAffected Software

Frequently Asked Questions

1

Which systems are covered by this update?

The update applies to Red Hat Enterprise Linux deployments on ARM 64, IBM z Systems, Power little endian, and x86_64 that are covered by the listed Extended Update Support or 4-years-of-updates/support offerings.

2

What severity should be used for triage?

This advisory is rated Important, with a high severity score of 7 and a listed risk value of 33.

Contact

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