RHSA-2026:89341 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.20.44 is now available with updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 4.20.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Description

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 4.20.44. See the following advisory for the RPM packages for this release:

https://access.redhat.com/errata/RHBA-2026:89332

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/openshift_container_platform/4.20/html/release_notes/

Solution

For OpenShift Container Platform 4.20 see the following documentation, which will be updated shortly for this release, for important instructions on how to upgrade your cluster and fully apply this asynchronous errata update:

https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html/release_notes/

You may download the oc tool and use it to inspect release image metadata for x86_64, s390x, ppc64le, and aarch64 architectures. The image digests may be found at https://quay.io/repository/openshift-release-dev/ocp-release?tab=tags.

The sha values for the release are as follows:

(For x86_64 architecture)
The image digest is sha256:437514ee0f768d8116c19f527be1eaa239ce26ccef6abbf0cb7ebf0056ec6e15

(For s390x architecture)
The image digest is sha256:58cdbc266aef95d5d972872cf49932e345b1c44165310f3a7cc237cea7437dca

(For ppc64le architecture)
The image digest is sha256:373a67d9fb8e142c5e0b8600d49a1b80306e9a934dbefa8c584476c7aa8ef5d5

(For aarch64 architecture)
The image digest is sha256:383135875bd9c114e64aba80fc3563716da12f36e5448107060d8b47a6f7e8bd

All OpenShift Container Platform 4.20 users are advised to upgrade to these updated packages and images when they are available in the appropriate release channel. To check for available updates, use the OpenShift CLI (oc) or web console. Instructions for upgrading a cluster are available at https://docs.redhat.com/en/documentation/openshift_container_platform/4.20/html-single/updating_clusters/index#updating-cluster-cli.

Affected Products

• Red Hat OpenShift Container Platform

Fixes

• BZ - 2455470
• BZ - 2467815
• BZ - 2480678
• BZ - 2480756
• BZ - 2523035
• BZ - 2543917
• OCPBUGS-100104 - HCP AWS | cloud API bypass fails when management cluster requires a proxy
• OCPBUGS-122206 - [4.20] HCCO machine controller includes non-routable ovn-k8s-mp0 IPs in EndpointSlice addresses for KubeVirt passthrough services causing intermittent LB failures
• OCPBUGS-127411 - [4.22] Certificate generated by the kube-apiserver-check-endpoints container is valid for only 1 second; whereas in previous RHOCP versions, it was valid for 1 month.
• OCPBUGS-129138 - [release-4.20] Cluster Monitoring Operator resets customized Alertmanager Secret on ConfigMap recreation
• OCPBUGS-129457 - [release-4.20] Duplicate EgressIP getting assigned to nodes.
• OCPBUGS-130578 - [vSphere] When removing failure domain, VPD complains about failure domain labels missing from node
• OCPBUGS-130608 - Delay provisioning new Machines in large vSphere-backed OpenShift clusters
• OCPBUGS-130943 - kube-state-metrics 2.18.0 memory leak in CustomResourceStateMetrics causes OOMKills on OpenShift 4.22
• OCPBUGS-130964 - [4.20]T-BC w/o holdover on HPE GNR-D v4.20 - missing input pin initialization
• OCPBUGS-132312 - [PTP] GNR-D T-GM: iface missing from GNSS/T-GM status lines — openshift_ptp_nmea_status never published
• OCPBUGS-132362 - [4.20] Backport Service{L2,BGP}Status improvements
• OCPBUGS-88310 - [release-4.20] "cloud.network.openshift.io/egress-ipconfig" annotation set to the wrong prefix in azure if the subnet uses addressPrefixes field instead of addressPrefix
• BZ - 2556068

CVEs

• CVE-2026-111943
• CVE-2026-104795
• CVE-2026-107176
• CVE-2026-33814
• CVE-2026-34986
• CVE-2026-39821
• CVE-2026-46597

References

• https://access.redhat.com/security/updates/classification/