RHSA-2026:5910 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.16.59 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 4.16.

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

https://access.redhat.com/errata/RHBA-2026:5872

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/4.16/html/release_notes/

Solution

For OpenShift Container Platform 4.16 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/4.16/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:f2f70544d0d62fbf00d94cba09e89ca5bbf44169490ec86ff1f4f48ccf6401e1

(For s390x architecture)
The image digest is sha256:d93e0cf6a690edb5b57d06044af75645ee966bf2a329b32979f62923afece8d9

(For ppc64le architecture)
The image digest is sha256:4fe2d116fc96fd0713486b4f199cbccd8fb10fd196c09926717fcc99fe4cd914

(For aarch64 architecture)
The image digest is sha256:ea723d901035177236056cfbb6341a431d65f7ef56c360fdc021bd47aab24810

All OpenShift Container Platform 4.16 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/4.16/html-single/updating_clusters/index#updating-cluster-cli.

Fixes

• BZ - 2439070
• OCPBUGS-23352 - "[sig-installer][Suite:openshift/openstack] MachineSet have role worker" fails on OCP with infra nodes
• OCPBUGS-27969 - [sig-installer][Suite:openshift/openstack] ControlPlane MachineSet ProviderSpec template is correctly applied to Machines fails when 2 FDs are the same
• OCPBUGS-28207 - Not clear if the Memory limits must be set in GiB or GB
• OCPBUGS-33303 - Tests fail with not cloud found in clouds.yaml
• OCPBUGS-35030 - Various jobs are failing on bootstrap phase
• OCPBUGS-37495 - egressIP test selecting wrong floatingNetworkId in RHOSP18
• OCPBUGS-39135 - monitor test pod-network-avalibility setup fails frequently on openstack
• OCPBUGS-42590 - [CI] alert/etcdMemberCommunicationSlow should not be at or above info
• OCPBUGS-74299 - E2e test "attach on previously attached volumes should work" fails in 4.16
• OCPBUGS-74885 - [Azure UPI] dropping support for field used in image gallery versions
• OCPBUGS-76534 - [Backport 4.16] Enable CVO access to OBO Prometheus for ROSA HCP with RHOBS monitoring
• OCPBUGS-77196 - [openshift-4.16] ose-libvirt-machine-controllers can't be build hermetically
• OCPBUGS-77959 - Remove collect-profiles cronjob from microshift kustomization [4.17]
• OCPBUGS-78020 - [openshift-4.16] ose-vsphere-cluster-api-controllers can't be built hermetically
• OCPBUGS-78170 - [openshift-4.16] ose-machine-api-provider-openstack can't be built hermetically
• OCPBUGS-78176 - [openshift-4.16] ose-azure-cluster-api-controllers can't be built hermetically
• OCPBUGS-78227 - [openshift-4.16] ose-aws-cluster-api-controllers can't be built hermetically
• OCPBUGS-78381 - [openshift-4.16] ptp-operator can't be built hermetically
• OCPBUGS-78769 - [4.16] Update provisioner permissions to support new external provisioner
• OCPBUGS-9925 - Permafailing tests in e2e-openstack-operator (Test Scale to Zero in OpenStack CI)
• OCPBUGS-78529 - Kernel version in DTK 4.16.58 does not match the node kernel version

CVEs

• CVE-2025-69873

References

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