RHSA-2026:99716: High severity Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support vulnerability
Published Nov 12, 2026
·Updated
Important: krb5 security, bug fix, and enhancement update
Affected Software
12 affected components
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian - 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 Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Event History
Nov 12, 2026
Advisory Published
via Red Hat·03:11 PM
Data Sourced
via Red Hat·03:11 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which environments are covered by this update?
The advisory applies to Red Hat Enterprise Linux offerings for x86_64, ARM 64, IBM z Systems, and Power little endian. Covered service variants include Extended Update Support, Extended Life Cycle, and Update Services for SAP Solutions, where listed.
2
Is this advisory limited to a security fix?
No. It is described as an important krb5 update that includes security fixes, bug fixes, and enhancements.