RHSA-2026:21695: Important: OpenShift Container Platform 4.12.91 bug fix and security update
Published Jun 4, 2026
·Updated
Important: OpenShift Container Platform 4.12.91 bug fix and security update
Affected Software
5 affected components
Red Hat OpenShift Container Platform<4.12.91
Red Hat Red Hat OpenShift Container Platform for IBM Z and LinuxONE
Red Hat Red Hat OpenShift Container Platform
Red Hat Red Hat OpenShift Container Platform for Power
Red Hat Red Hat OpenShift Container Platform for ARM 64
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenShift Container Platformto a version that resolves this vulnerability.Fixed in 4.12.91
Event History
Jun 4, 2026
Advisory Published
via Red Hat·04:47 PM
Data Sourced
via Red Hat·04:47 PM
DescriptionSeverityAffected Software
Jun 15, 2026
Advisory Published
via Red Hat·05:29 PM
Data Sourced
via Red Hat·05:29 PM
Remedy
Frequently Asked Questions
1
What is the severity of RHSA-2026:21695?
The severity of RHSA-2026:21695 is high with a score of 7.
2
What does RHSA-2026:21695 address?
RHSA-2026:21695 addresses important bug fixes and security updates for OpenShift Container Platform 4.12.91.
3
Which versions of OpenShift are affected by RHSA-2026:21695?
RHSA-2026:21695 affects multiple versions of Red Hat OpenShift Container Platform including for IBM Z, LinuxONE, Power, and ARM 64.
4
How do I fix RHSA-2026:21695?
To fix RHSA-2026:21695, refer to the documentation for OpenShift Container Platform 4.12 for instructions on upgrading your cluster.
5
When was RHSA-2026:21695 published?
RHSA-2026:21695 was published on June 4, 2026.