RHSA-2026:51025: OpenShift Container Platform 4.21.28 bug fix and security update
OpenShift Container Platform 4.21.28 bug fix and security update
Other sources
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 4.21.28. See the following advisory for the RPM packages for this release:https://access.redhat.com/errata/RHBA-2026:51020 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/
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Red Hat OpenShift Container Platformto a version that resolves this vulnerability.Fixed in 4.21.28Patch RHBA-2026:51020 - Compensating control
Verify available updates using the OpenShift CLI (oc) or the web console, and upgrade when the updated packages/images are available in the appropriate release channel.
Event History
Frequently Asked Questions
What is the severity of RHSA-2026:51025?
The severity of RHSA-2026:51025 is classified as high with a score of 7.
How do I fix RHSA-2026:51025?
To fix RHSA-2026:51025, you need to apply the bug fix and security update provided in the advisory for OpenShift Container Platform 4.21.28.
What systems are affected by RHSA-2026:51025?
RHSA-2026:51025 affects the Red Hat OpenShift Container Platform version 4.21.
What is the nature of the issue addressed in RHSA-2026:51025?
RHSA-2026:51025 addresses a bug fix and security vulnerability in the OpenShift Container Platform.
When was RHSA-2026:51025 published?
RHSA-2026:51025 was published on August 11, 2026.