RHSA-2026:60477: OpenShift Container Platform 4.21.31 bug fix and security update

Published Sep 1, 2026

Updated

Red Hat OpenShift Container Platform is Red Hat's cloud computing Kubernetes application platform solution designed for on-premise or private cloud deployments.This advisory contains the container images for Red Hat OpenShift Container Platform 4.21.31. See the following advisory for the RPM packages for this release:https://access.redhat.com/errata/RHSA-2026:60449 Space precludes documenting all of the container images in this advisory. See the following Release Notes documentation, which will be updated shortly for this release, for details about these changes:https://docs.redhat.com/en/documentation/openshiftcontainerplatform/4.21/html/releasenotes/

Affected Software

1 affected component

Red Hat OpenShift Container Platform 4.21=4.21.31

Remediation

Recommended actions to resolve this vulnerability, in priority order.

Upgrade
Upgrade OpenShift Container Platform to a version that resolves this vulnerability.
Fixed in 4.21.31Patch RHSA-2026:60449

Event History

Sep 1, 2026

Advisory Published

via Red Hat·12:00 AM

Data Sourced

via Red Hat·12:00 AM

RemedyDescriptionAffected Software

Frequently Asked Questions

Which deployment component does this advisory update?

This advisory provides container images for Red Hat OpenShift Container Platform 4.21.31. The corresponding RPM packages are provided separately in RHSA-2026:60449.

Where can I determine the specific fixes included in this release?

The advisory does not list all updated container images or changes. The OpenShift Container Platform 4.21 release notes are identified as the source for details once updated for this release.