RHSA-2026:88563: Critical severity Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support vulnerability
Published Oct 23, 2026
·Updated
Critical: ca-certificates security update
Affected Software
13 affected components
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 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 Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - 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 Server for Power LE - Update Services for SAP Solutions
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 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 - 4 years of updates
Event History
Oct 23, 2026
Advisory Published
via Red Hat·09:16 AM
Data Sourced
via Red Hat·09:16 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which Red Hat Enterprise Linux deployment types are covered by this update?
The advisory covers listed Extended Update Support, Extended Life Cycle, Update Services for SAP Solutions, and 4-years-of-updates offerings on IBM z Systems, x86_64, Power little endian, Power LE, and ARM 64 platforms.
2
Does this advisory include systems using Red Hat Update Services for SAP Solutions?
Yes. The affected software list includes Red Hat Enterprise Linux for x86_64 Update Services for SAP Solutions and Red Hat Enterprise Linux Server for Power LE Update Services for SAP Solutions.