RHSA-2026:58899: High severity Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support vulnerability
Published Aug 24, 2026
·Updated
Important: firefox security update
Affected Software
16 affected components
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for Power, little endian - 4 years of support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems - 4 years of updates
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - 4 years of updates
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Event History
Aug 24, 2026
Advisory Published
via Red Hat·07:48 AM
Data Sourced
via Red Hat·07:48 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems are covered by this update?
The advisory applies to Red Hat Enterprise Linux deployments on ARM 64, IBM z Systems, Power little endian, and x86_64, including the listed Extended Update Support, Extended Life Cycle, and four-year support offerings where applicable.
2
How severe is this update?
The advisory is rated Important and has a high severity value of 7. The listed risk score is 33.
3
When was the advisory issued?
It was published and last modified on 2026-08-24.