RHBA-2026:29706 - Bug Fix Advisory

Topic

Red Hat OpenShift Container Platform 4.18 two month notice end of Maintenance support

Description

Red Hat OpenShift Container Platform 4.18 two month notice end of Maintenance support

This is an automated two month notification for the end of Maintenance support for Red Hat OpenShift Container Platform 4.18 on August 25, 2026.
This notification applies only to those customers operating Red Hat OpenShift Container Platform 4.18.
As part of the Maintenance support, qualified security patches of critical or important impact, as well as select mission-critical bug-fix patches, were released for Red Hat OpenShift Container Platform 4.18.

On August 25, 2026, Red Hat OpenShift Container Platform 4.18 transitions into its Extended Update Support (EUS) Term 1 phase, updates may be available for Critical and Important security advisories as well as Urgent priority bugs. Customers should check for any additional subscription requirements in order to consume these updates, during the EUS phase. Please consult with your sales team to understand more about Extended Update offerings.

At the end of Maintenance support, software and documentation will continue to be available to customers throughout the time Red Hat OpenShift Container Platform 4 remains available.

Please see the Red Hat OpenShift Container Platform 4 life cycle for further information about Red Hat OpenShift Container Platform 4 releases and life cycle phases: https://access.redhat.com/support/policy/updates/openshift/

Solution

For important instructions on how to install or upgrade to the latest version of OpenShift Container Platform, see the following documentation: https://docs.openshift.com/container-platform/4.18/updating/updating-cluster-within-minor.html

Affected Products

• Red Hat OpenShift Container Platform 4.18 for RHEL 9 x86_64
• Red Hat OpenShift Container Platform 4.18 for RHEL 8 x86_64
• Red Hat OpenShift Container Platform for Power 4.18 for RHEL 9 ppc64le
• Red Hat OpenShift Container Platform for Power 4.18 for RHEL 8 ppc64le
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.18 for RHEL 9 s390x
• Red Hat OpenShift Container Platform for IBM Z and LinuxONE 4.18 for RHEL 8 s390x
• Red Hat OpenShift Container Platform for ARM 64 4.18 for RHEL 9 aarch64
• Red Hat OpenShift Container Platform for ARM 64 4.18 for RHEL 8 aarch64

Fixes

• OCPBUGS-87276 - Red Hat OpenShift Container Platform 4.18 two month notice end of Maintenance support

CVEs

(none)

References

(none)