RHSA-2026:81393: High severity Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle vulnerability
Published Oct 12, 2026
·Updated
Important: thunderbird security update
Affected Software
9 affected components
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
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 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 x86_64 - Update Services for SAP Solutions
Event History
Oct 12, 2026
Advisory Published
via Red Hat·05:18 PM
Data Sourced
via Red Hat·05:18 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which Red Hat Enterprise Linux deployment types are within the stated scope?
The advisory covers listed x86_64, ARM 64, IBM z Systems, and Power little-endian offerings, including Extended Life Cycle subscriptions. It also includes RHEL Server AUS, IBM z Systems four-years-of-updates, ARM 64 four-years-of-updates, and Power LE Update Services for SAP Solutions.