RHSA-2026:89821: Critical severity Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle vulnerability
Published Oct 26, 2026
·Updated
Critical: webkit2gtk3 security update
Affected Software
13 affected components
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
Red Hat Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
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 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 x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - AUS
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 IBM z Systems - 4 years of updates
Event History
Oct 26, 2026
Advisory Published
via Red Hat·07:51 AM
Data Sourced
via Red Hat·07:51 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems should be prioritized for this update?
Prioritize affected Red Hat Enterprise Linux deployments on ARM 64, x86_64, IBM z Systems, and Power little-endian that use the listed Extended Life Cycle, Extended Update Support, four-year update, or Update Services for SAP Solutions offerings. The advisory rates the update as critical, with severity 9 and risk 42.
2
What should teams do if they cannot apply the update immediately?
The provided advisory data does not include interim mitigations or workaround guidance. Review the referenced Red Hat erratum for the applicable update and any vendor-provided mitigation details.