RHSA-2026:72427: High severity Red Hat Red Hat CodeReady Linux Builder for IBM z Systems vulnerability
Published Sep 28, 2026
·Updated
Important: ruby4.0 security update
Affected Software
24 affected components
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for x86_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 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update 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 CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
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 CodeReady Linux Builder for ARM 64
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat CodeReady Linux Builder for Power, little endian - Extended Update Support
Red Hat Red Hat CodeReady Linux Builder for x86_64
Event History
Sep 28, 2026
Advisory Published
via Red Hat·09:34 AM
Data Sourced
via Red Hat·09:34 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which Red Hat environments are covered by this update?
The advisory lists Red Hat Enterprise Linux for x86_64, ARM 64, IBM z Systems, and Power little endian. It also covers specified Extended Update Support and Extended Life Cycle offerings, plus Red Hat CodeReady Linux Builder for IBM z Systems.
2
What is the severity and publication date of this advisory?
This is rated high severity (7) with a listed risk value of 33. It was published and modified on 2026-09-28.