RHSA-2026:34789: Important: OpenShift Container Platform 4.22.4 packages and security update

Published Jul 7, 2026
·
Updated

Important: OpenShift Container Platform 4.22.4 packages and security update

Other sources

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 RPM packages for Red Hat OpenShift Container Platform 4.22.4. See the following advisory for the container images for this release:https://access.redhat.com/errata/RHSA-2026:34789 Security Fix(es): golang.org/x/net/idna: golang: golang.org/x/net/idna: Privilege escalation via incorrect Punycode label processing (CVE-2026-39821) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.{IMAGEADVISORY}All OpenShift Container Platform 4.22 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/openshiftcontainerplatform/4.22/html-single/updatingclusters/index#updating-cluster-cli.

— Red Hat

Affected Software

51 affected componentsFixes available
Red Hat Red Hat OpenShift Container Platform for Power
Red Hat Red Hat OpenShift Container Platform for ARM 64
Red Hat Red Hat OpenShift Container Platform
Red Hat Red Hat OpenShift Container Platform for IBM Z and LinuxONE
redhat/openshift<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/ose-azure-acr-image-credential-provider<4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9
4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9
redhat/openshift-hyperkube<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-apiserver<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-controller-manager<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-scheduler<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kubelet<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/ose-azure-acr-image-credential-provider<4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9
4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9
redhat/butane<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/openshift<4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
redhat/ose-azure-acr-image-credential-provider<4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8
4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8
redhat/butane<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/butane-debuginfo<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/butane-debugsource<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/butane-redistributable<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/openshift-hyperkube<4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
redhat/ose-azure-acr-image-credential-provider<4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8
4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8
redhat/openshift-hyperkube<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-apiserver<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-controller-manager<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-scheduler<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kubelet<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/ose-azure-acr-image-credential-provider<4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9
4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9
redhat/butane<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/butane-debuginfo<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/butane-debugsource<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/openshift-hyperkube<4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
redhat/ose-azure-acr-image-credential-provider<4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8
4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8
redhat/openshift-hyperkube<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-apiserver<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-controller-manager<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kube-scheduler<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/openshift-kubelet<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
redhat/butane-debuginfo<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/butane-debugsource<0.28.0-2.rhaos4.22.el8
0.28.0-2.rhaos4.22.el8
redhat/openshift-hyperkube<4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
redhat/openshift-hyperkube<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
redhat/openshift-kube-apiserver<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
redhat/openshift-kube-controller-manager<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
redhat/openshift-kube-scheduler<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
redhat/openshift-kubelet<4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
redhat/ose-azure-acr-image-credential-provider<4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9.aa
4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9.aa
redhat/butane<0.28.0-2.rhaos4.22.el8.aa
0.28.0-2.rhaos4.22.el8.aa
redhat/butane-debuginfo<0.28.0-2.rhaos4.22.el8.aa
0.28.0-2.rhaos4.22.el8.aa
redhat/butane-debugsource<0.28.0-2.rhaos4.22.el8.aa
0.28.0-2.rhaos4.22.el8.aa
redhat/openshift-hyperkube<4.22.0-202606301456.p2.g03c5938.assembly.stream.el8.aa
4.22.0-202606301456.p2.g03c5938.assembly.stream.el8.aa
redhat/ose-azure-acr-image-credential-provider<4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8.aa
4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/openshift to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
  2. Upgrade

    Upgrade redhat/ose-azure-acr-image-credential-provider to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9
  3. Upgrade

    Upgrade redhat/openshift-hyperkube to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
  4. Upgrade

    Upgrade redhat/openshift-kube-apiserver to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
  5. Upgrade

    Upgrade redhat/openshift-kube-controller-manager to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
  6. Upgrade

    Upgrade redhat/openshift-kube-scheduler to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
  7. Upgrade

    Upgrade redhat/openshift-kubelet to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9
  8. Upgrade

    Upgrade redhat/butane to a version that resolves this vulnerability.

    Fixed in 0.28.0-2.rhaos4.22.el8
  9. Upgrade

    Upgrade redhat/openshift to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
  10. Upgrade

    Upgrade redhat/ose-azure-acr-image-credential-provider to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8
  11. Upgrade

    Upgrade redhat/butane-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.28.0-2.rhaos4.22.el8
  12. Upgrade

    Upgrade redhat/butane-debugsource to a version that resolves this vulnerability.

    Fixed in 0.28.0-2.rhaos4.22.el8
  13. Upgrade

    Upgrade redhat/butane-redistributable to a version that resolves this vulnerability.

    Fixed in 0.28.0-2.rhaos4.22.el8
  14. Upgrade

    Upgrade redhat/openshift-hyperkube to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el8
  15. Upgrade

    Upgrade redhat/openshift-hyperkube to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
  16. Upgrade

    Upgrade redhat/openshift-kube-apiserver to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
  17. Upgrade

    Upgrade redhat/openshift-kube-controller-manager to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
  18. Upgrade

    Upgrade redhat/openshift-kube-scheduler to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
  19. Upgrade

    Upgrade redhat/openshift-kubelet to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el9.aa
  20. Upgrade

    Upgrade redhat/ose-azure-acr-image-credential-provider to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el9.aa
  21. Upgrade

    Upgrade redhat/butane to a version that resolves this vulnerability.

    Fixed in 0.28.0-2.rhaos4.22.el8.aa
  22. Upgrade

    Upgrade redhat/butane-debuginfo to a version that resolves this vulnerability.

    Fixed in 0.28.0-2.rhaos4.22.el8.aa
  23. Upgrade

    Upgrade redhat/butane-debugsource to a version that resolves this vulnerability.

    Fixed in 0.28.0-2.rhaos4.22.el8.aa
  24. Upgrade

    Upgrade redhat/openshift-hyperkube to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606301456.p2.g03c5938.assembly.stream.el8.aa
  25. Upgrade

    Upgrade redhat/ose-azure-acr-image-credential-provider to a version that resolves this vulnerability.

    Fixed in 4.22.0-202606291123.p2.ga17a3e3.assembly.stream.el8.aa
  26. Upgrade

    Upgrade OpenShift Container Platform 4.22 to a version that resolves this vulnerability.

    Fixed in 4.22.4Patch RHSA-2026:34789
  27. Upgrade

    Upgrade OpenShift Container Platform 4.22 (container images) to a version that resolves this vulnerability.

    Patch RHSA-2026:34789
  28. Compensating control

    Confirm the target release channel contains the updated packages and images; use the OpenShift CLI (oc) or the web console to check for available updates before upgrading the 4.22 cluster.

Event History

Jul 7, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·09:53 AM
Data Sourced
via Red Hat·09:53 AM
Severity
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Frequently Asked Questions

1

What is the severity of RHSA-2026:34789?

The severity of RHSA-2026:34789 is categorized as high (7).

2

How do I fix RHSA-2026:34789?

You can address RHSA-2026:34789 by updating to the latest version of the affected OpenShift Container Platform packages.

3

What products are affected by RHSA-2026:34789?

The affected products include redhat/ose-azure-acr-image-credential-provider, redhat/openshift-hyperkube, and several other OpenShift components.

4

When was RHSA-2026:34789 published?

RHSA-2026:34789 was published on July 7, 2026.

5

What is the main focus of the RHSA-2026:34789 update?

The main focus of RHSA-2026:34789 is to provide security updates for the OpenShift Container Platform packages.

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