RHSA-2026:4434 - Security Advisory

Topic

Red Hat OpenShift Container Platform release 4.19.26 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 4.19.

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

https://access.redhat.com/errata/RHBA-2026:4427

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/4.19/html/release_notes/

Solution

For OpenShift Container Platform 4.19 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/4.19/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 sha256:64d312cc715ccb58e44b7ed0a7a1a24ad407b72be2cb865512f9bf8ff7578524

(For s390x architecture)
The image digest is sha256:d597607d81ec8146b6403a37d48605c34c0649cffdd5b9a532936d71e7c02d81

(For ppc64le architecture)
The image digest is sha256:ce22c81cb59efaad506ed4c0222611d8ed603a597cca876e1ab87f4ff94523da

(For aarch64 architecture)
The image digest is sha256:d09f3caab920c99068212112676f4a8c2e7f3ee72f69d69ead2ec90e8918213b

All OpenShift Container Platform 4.19 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/4.19/html-single/updating_clusters/index#updating-cluster-cli.

Fixes

• BZ - 2387083
• BZ - 2407258
• BZ - 2418462
• BZ - 2418900
• BZ - 2430879
• BZ - 2434431
• BZ - 2434432
• BZ - 2434433
• BZ - 2437016
• OCPBUGS-74147 - nodeip-configuration not enabled on platform type external
• OCPBUGS-75932 - HCP cluster upgrade to 4.19 from 4.18.26 creates a service of type loadbalencer with name router, thereby blocking the upgrade
• OCPBUGS-76950 - “Import from Git” should not force HTTPS/443 for Git providers (GitHub/GitLab/Bitbucket)
• OCPBUGS-76974 - gnss to ntp failover not triggered by offset spikes
• OCPBUGS-77007 - [4.19] openshift-cluster-csi-drivers vmware-vsphere-csi-driver-operator-metrics endpoint 8445 port should return 401 instead 500
• OCPBUGS-77082 - ovnkube failed to start node network controller
• OCPBUGS-77172 - [release-4.19] UnmanagedRoutes alert is firing for managed Routes
• OCPBUGS-77206 - [openshift-4.19] hermetic build failure - ose-ibm-vpc-block-csi-driver
• OCPBUGS-77221 - machine-config-daemon is kill while updating the system-units on the node, leading to disabled system-units after reboot.
• OCPBUGS-77229 - Backport bug fix 5239 to 4.20
• OCPBUGS-77240 - Fix MCN conditions for 4.19
• OCPBUGS-77269 - [release-4.19] Incorrect AlertManagerConfig causing Monitoring operator degraded
• OCPBUGS-77273 - Duplicate `prometheusrules.monitoring.coreos.com`
• OCPBUGS-77306 - mcd_config_drift not working properly
• OCPBUGS-77367 - ignition-server pods are frequently restarting
• OCPBUGS-77437 - Remove collect-profiles cronjob from microshift kustomization [4.19]
• OCPBUGS-77513 - modify gitignore to not ignore files in vendor/
• OCPBUGS-77567 - i-c-c container image contains huge dnf cache
• OCPBUGS-77663 - The `use-sigstore-attachments` option in the `default.yaml` file is not work
• OCPBUGS-77725 - Massive MCO container causing memory problems during bootstrapping
• OCPBUGS-77778 - multus-networkpolicy image contains huge dnf cache
• OCPBUGS-77779 - [release-4.19] insights-runtime-extractor image contains huge dnf cache
• OCPBUGS-77790 - Update MCN tests to better handle condition transitions through the "Unknown" state
• OCPBUGS-77828 - [Automated] Update AMI Whitelist
• OCPBUGS-77844 - ignition-server pods are frequently restarting

CVEs

• CVE-2025-47907
• CVE-2025-58183
• CVE-2025-61726
• CVE-2025-61728
• CVE-2025-61729
• CVE-2025-61731
• CVE-2025-61732
• CVE-2025-65637
• CVE-2026-22797

References

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