RHSA-2026:66410: High severity Red Hat Red Hat Enterprise Linux Server - AUS vulnerability
Published Sep 10, 2026
·Updated
Important: openssh security update
Affected Software
13 affected components
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for ARM 64 - 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 Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
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 x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Event History
Sep 10, 2026
Advisory Published
via Red Hat·01:12 PM
Data Sourced
via Red Hat·01:12 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which environments should be prioritized for this update?
Prioritize systems running the listed Red Hat Enterprise Linux Server AUS, Extended Life Cycle, Extended Update Support, or Update Services for SAP Solutions offerings on x86_64, ARM 64, IBM z Systems, or Power little-endian platforms.
2
Does the advisory identify the specific OpenSSH vulnerability or affected package versions?
No. The provided information identifies this as an Important OpenSSH security update, but does not include CVE identifiers, affected package versions, fixed versions, exploit prerequisites, or mitigation guidance.