RHSA-2026:83550: High severity Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian vulnerability
Published Oct 15, 2026
·Updated
Important: libtiff security update
Affected Software
4 affected components
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, big endian
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support (for IBM z Systems)
Red Hat Red Hat Enterprise Linux Server - Extended Life Cycle Support for IBM Power, little endian
Event History
Oct 15, 2026
Advisory Published
via Red Hat·10:59 AM
Data Sourced
via Red Hat·10:59 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which systems are covered by this update?
The update applies to Red Hat Enterprise Linux Server Extended Life Cycle Support deployments, including standard ELS and ELS for IBM Power (big- and little-endian) and IBM z Systems.
2
What should teams do to address this issue?
Apply the RHSA-2026:83550 libtiff security update to affected Red Hat Enterprise Linux Server ELS systems. The supplied information does not identify a workaround or mitigation for systems that cannot be patched immediately.
3
How severe is this update?
Red Hat classifies this as an Important security update, and the provided severity is high with a risk value of 33.