RHSA-2026:80798: Medium severity Red Hat Red Hat Enterprise Linux for x86_64 vulnerability
Published Oct 12, 2026
·Updated
Moderate: glibc security update
Affected Software
12 affected components
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux 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 CodeReady Linux Builder for ARM 64
Event History
Oct 12, 2026
Advisory Published
via Red Hat·11:37 AM
Data Sourced
via Red Hat·11:37 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems are covered by this update?
The advisory covers Red Hat Enterprise Linux for x86_64, IBM z Systems, Power little endian, and ARM 64 Extended Life Cycle, plus CodeReady Linux Builder for IBM z Systems and Power little endian. Several affected offerings are Extended Life Cycle variants.
2
What component should administrators prioritize updating?
Administrators should apply the Red Hat glibc security update referenced by RHSA-2026:80798. The provided information does not identify the underlying vulnerabilities, affected glibc versions, exploit prerequisites, or temporary mitigations.