RHSA-2026:90800: High severity Red Hat Red Hat Enterprise Linux for x86_64 vulnerability
Published Oct 27, 2026
·Updated
Important: emacs security update
Affected Software
8 affected components
Red Hat Red Hat Enterprise Linux for x86_64
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for ARM 64
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
Event History
Oct 27, 2026
Advisory Published
via Red Hat·08:51 AM
Data Sourced
via Red Hat·08:51 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems are covered by this advisory?
The advisory applies to Red Hat Enterprise Linux on x86_64, ARM 64, Power little endian, and IBM z Systems. It also covers the corresponding Extended Life Cycle offerings.
2
How urgent is this update?
Red Hat classifies this as an Important security update, and the supplied severity is high with a score of 7. Organizations running the affected Red Hat Enterprise Linux offerings should prioritize reviewing and deploying the update.