RHSA-2026:54545: OpenShift Container Platform 4.18.53 bug fix and security update
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 4.18.53. See the following advisory for the RPM packages for this release:https://access.redhat.com/errata/RHBA-2026:54543 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/4.18/html/releasenotes/
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
OpenShift Container Platformto a version that resolves this vulnerability.Fixed in 4.18.53Patch RHBA-2026:54543
Event History
Frequently Asked Questions
Which deployments should prioritize this update?
Deployments running Red Hat OpenShift Container Platform 4.18 should review and apply the 4.18.53 container image update, as the advisory includes both bug fixes and security updates.
Does this advisory include the RPM packages for the release?
No. The advisory contains container images for OpenShift Container Platform 4.18.53; RPM packages are provided through RHBA-2026:54543.
What specific security issues are fixed by this update?
The provided advisory data does not identify individual vulnerabilities, affected components, exploit prerequisites, or mitigations. It directs users to the release notes and referenced bug reports for change details.