RHSA-2026:89748: High severity Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle vulnerability
Published Oct 26, 2026
·Updated
Important: libreswan security update
Affected Software
16 affected components
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for x86_64 - 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 IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 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 - Update Services for SAP Solutions
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 IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Event History
Oct 26, 2026
Advisory Published
via Red Hat·12:56 AM
Data Sourced
via Red Hat·12:56 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which environments are covered by this advisory?
The advisory applies to listed Red Hat Enterprise Linux deployments on x86_64, Power little endian, IBM z Systems, and ARM 64. Coverage includes certain Extended Life Cycle, Extended Update Support, and 4-years-of-updates offerings.
2
What should teams do to remediate this issue?
Apply the libreswan security update provided through RHSA-2026:89748 for the affected Red Hat Enterprise Linux offering. The supplied data does not identify interim mitigations if the update cannot be installed immediately.