RHSA-2026:81613: High severity Red Hat Red Hat Enterprise Linux for IBM z Systems vulnerability
Published Oct 12, 2026
·Updated
Important: pcre2 security update
Affected Software
12 affected components
Red Hat Red Hat Enterprise Linux for IBM z Systems
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for Power, little endian
Red Hat Red Hat CodeReady Linux Builder for x86_64
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Red Hat Enterprise Linux for Power, little endian
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle
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 CodeReady Linux Builder for ARM 64
Red Hat Red Hat Enterprise Linux for ARM 64
Event History
Oct 12, 2026
Advisory Published
via Red Hat·10:47 PM
Data Sourced
via Red Hat·10:47 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which environments are covered by this advisory?
The advisory covers Red Hat Enterprise Linux for IBM z Systems, x86_64 Extended Life Cycle, ARM 64 Extended Life Cycle, Power little endian, and IBM z Systems Extended Life Cycle. It also covers Red Hat CodeReady Linux Builder for Power little endian, x86_64, and IBM z Systems.
2
How severe is this update?
This is classified as an Important security update with a high severity rating of 7. The listed risk score is 33.
3
When was the advisory published or last modified?
The advisory was published on 2026-10-12 and was last modified on the same date.