RHSA-2026:57456: Important: OpenShift Container Platform 4.21.30 packages and security update

Published Aug 25, 2026
·
Updated

Important: OpenShift Container Platform 4.21.30 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 4.21.30. See the following advisory for the container images for this release:https://access.redhat.com/errata/RHSA-2026:57801 Security Fix(es): mime: golang: Golang MIME: Denial of Service via maliciously-crafted MIME header (CVE-2026-42504) 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.All OpenShift Container Platform 4.21 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/4.21/html-single/updatingclusters/index#updating-cluster-cli.

— Red Hat

Affected Software

136 affected componentsFixes available
Red Hat Red Hat OpenShift Container Platform for ARM 64
Red Hat Red Hat OpenShift Container Platform for Power
Red Hat Red Hat OpenShift Container Platform
Red Hat Red Hat OpenShift Container Platform for IBM Z and LinuxONE
redhat/cri-tools<1.34.0-5.el9
1.34.0-5.el9
redhat/kata-containers<3.31.0-5.rhaos4.19.el9
3.31.0-5.rhaos4.19.el9
redhat/openshift<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-clients<4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
redhat/ose-aws-ecr-image-credential-provider<4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9
4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9
redhat/ose-azure-acr-image-credential-provider<4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9
4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9
redhat/ose-gcp-gcr-image-credential-provider<4.21.0-202608132049.p2.ge27acce.assembly.stream.el9
4.21.0-202608132049.p2.ge27acce.assembly.stream.el9
redhat/podman<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/runc<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/cri-tools<1.34.0-5.el9
1.34.0-5.el9
redhat/cri-tools-debuginfo<1.34.0-5.el9
1.34.0-5.el9
redhat/cri-tools-debugsource<1.34.0-5.el9
1.34.0-5.el9
redhat/kata-containers<3.31.0-5.rhaos4.19.el9
3.31.0-5.rhaos4.19.el9
redhat/openshift-clients<4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
redhat/openshift-clients-redistributable<4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
redhat/openshift-hyperkube<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-apiserver<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-controller-manager<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-scheduler<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kubelet<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/ose-aws-ecr-image-credential-provider<4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9
4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9
redhat/ose-azure-acr-image-credential-provider<4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9
4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9
redhat/ose-gcp-gcr-image-credential-provider<4.21.0-202608132049.p2.ge27acce.assembly.stream.el9
4.21.0-202608132049.p2.ge27acce.assembly.stream.el9
redhat/podman<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-debugsource<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-docker<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-plugins<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-plugins-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-remote<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-remote-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-tests<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/runc<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/runc-debuginfo<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/runc-debugsource<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/butane<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/openshift<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
redhat/openshift-clients<4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
redhat/ose-aws-ecr-image-credential-provider<4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8
4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8
redhat/ose-azure-acr-image-credential-provider<4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8
4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8
redhat/ose-gcp-gcr-image-credential-provider<4.21.0-202608132049.p2.ge27acce.assembly.stream.el8
4.21.0-202608132049.p2.ge27acce.assembly.stream.el8
redhat/butane<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/butane-debuginfo<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/butane-debugsource<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/butane-redistributable<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/openshift-clients<4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
redhat/openshift-clients-redistributable<4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
redhat/openshift-hyperkube<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
redhat/ose-aws-ecr-image-credential-provider<4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8
4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8
redhat/ose-azure-acr-image-credential-provider<4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8
4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8
redhat/ose-gcp-gcr-image-credential-provider<4.21.0-202608132049.p2.ge27acce.assembly.stream.el8
4.21.0-202608132049.p2.ge27acce.assembly.stream.el8
redhat/cri-tools<1.34.0-5.el9
1.34.0-5.el9
redhat/cri-tools-debuginfo<1.34.0-5.el9
1.34.0-5.el9
redhat/cri-tools-debugsource<1.34.0-5.el9
1.34.0-5.el9
redhat/kata-containers<3.31.0-5.rhaos4.19.el9
3.31.0-5.rhaos4.19.el9
redhat/openshift-clients<4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
redhat/openshift-hyperkube<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-apiserver<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-controller-manager<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-scheduler<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kubelet<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/ose-aws-ecr-image-credential-provider<4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9
4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9
redhat/ose-azure-acr-image-credential-provider<4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9
4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9
redhat/ose-gcp-gcr-image-credential-provider<4.21.0-202608132049.p2.ge27acce.assembly.stream.el9
4.21.0-202608132049.p2.ge27acce.assembly.stream.el9
redhat/podman<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-debugsource<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-plugins<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-plugins-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-remote<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-remote-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-tests<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/runc<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/runc-debuginfo<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/runc-debugsource<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/butane<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/butane-debuginfo<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/butane-debugsource<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/openshift-clients<4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
redhat/openshift-hyperkube<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
redhat/ose-aws-ecr-image-credential-provider<4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8
4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8
redhat/ose-azure-acr-image-credential-provider<4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8
4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8
redhat/ose-gcp-gcr-image-credential-provider<4.21.0-202608132049.p2.ge27acce.assembly.stream.el8
4.21.0-202608132049.p2.ge27acce.assembly.stream.el8
redhat/cri-tools-debuginfo<1.34.0-5.el9
1.34.0-5.el9
redhat/cri-tools-debugsource<1.34.0-5.el9
1.34.0-5.el9
redhat/openshift-hyperkube<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-apiserver<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-controller-manager<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kube-scheduler<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/openshift-kubelet<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
redhat/podman-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-debugsource<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-plugins<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-plugins-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-remote<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-remote-debuginfo<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/podman-tests<5.4.0-16.rhaos4.21.el9
5.4.0-16.rhaos4.21.el9
redhat/runc-debuginfo<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/runc-debugsource<1.2.9-4.rhaos4.21.el9
1.2.9-4.rhaos4.21.el9
redhat/butane-debuginfo<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/butane-debugsource<0.26.0-3.rhaos4.21.el8
0.26.0-3.rhaos4.21.el8
redhat/openshift-hyperkube<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
redhat/cri-tools<1.34.0-5.el9.aa
1.34.0-5.el9.aa
redhat/cri-tools-debuginfo<1.34.0-5.el9.aa
1.34.0-5.el9.aa
redhat/cri-tools-debugsource<1.34.0-5.el9.aa
1.34.0-5.el9.aa
redhat/kata-containers<3.31.0-5.rhaos4.19.el9.aa
3.31.0-5.rhaos4.19.el9.aa
redhat/openshift-clients<4.21.0-202608132049.p2.g0aac049.assembly.stream.el9.aa
4.21.0-202608132049.p2.g0aac049.assembly.stream.el9.aa
redhat/openshift-hyperkube<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
redhat/openshift-kube-apiserver<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
redhat/openshift-kube-controller-manager<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
redhat/openshift-kube-scheduler<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
redhat/openshift-kubelet<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
redhat/ose-aws-ecr-image-credential-provider<4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9.aa
4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9.aa
redhat/ose-azure-acr-image-credential-provider<4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9.aa
4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9.aa
redhat/podman<5.4.0-16.rhaos4.21.el9.aa
5.4.0-16.rhaos4.21.el9.aa
redhat/podman-debuginfo<5.4.0-16.rhaos4.21.el9.aa
5.4.0-16.rhaos4.21.el9.aa
redhat/podman-debugsource<5.4.0-16.rhaos4.21.el9.aa
5.4.0-16.rhaos4.21.el9.aa
redhat/podman-plugins<5.4.0-16.rhaos4.21.el9.aa
5.4.0-16.rhaos4.21.el9.aa
redhat/podman-plugins-debuginfo<5.4.0-16.rhaos4.21.el9.aa
5.4.0-16.rhaos4.21.el9.aa
redhat/podman-remote<5.4.0-16.rhaos4.21.el9.aa
5.4.0-16.rhaos4.21.el9.aa
redhat/podman-remote-debuginfo<5.4.0-16.rhaos4.21.el9.aa
5.4.0-16.rhaos4.21.el9.aa
redhat/podman-tests<5.4.0-16.rhaos4.21.el9.aa
5.4.0-16.rhaos4.21.el9.aa
redhat/runc<1.2.9-4.rhaos4.21.el9.aa
1.2.9-4.rhaos4.21.el9.aa
redhat/runc-debuginfo<1.2.9-4.rhaos4.21.el9.aa
1.2.9-4.rhaos4.21.el9.aa
redhat/runc-debugsource<1.2.9-4.rhaos4.21.el9.aa
1.2.9-4.rhaos4.21.el9.aa
redhat/butane<0.26.0-3.rhaos4.21.el8.aa
0.26.0-3.rhaos4.21.el8.aa
redhat/butane-debuginfo<0.26.0-3.rhaos4.21.el8.aa
0.26.0-3.rhaos4.21.el8.aa
redhat/butane-debugsource<0.26.0-3.rhaos4.21.el8.aa
0.26.0-3.rhaos4.21.el8.aa
redhat/openshift-clients<4.21.0-202608132049.p2.g0aac049.assembly.stream.el8.aa
4.21.0-202608132049.p2.g0aac049.assembly.stream.el8.aa
redhat/openshift-hyperkube<4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8.aa
4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8.aa
redhat/ose-aws-ecr-image-credential-provider<4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8.aa
4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8.aa
redhat/ose-azure-acr-image-credential-provider<4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8.aa
4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8.aa

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade redhat/cri-tools to a version that resolves this vulnerability.

    Fixed in 1.34.0-5.el9
  2. Upgrade

    Upgrade redhat/kata-containers to a version that resolves this vulnerability.

    Fixed in 3.31.0-5.rhaos4.19.el9
  3. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
  4. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
  5. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9
  6. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9
  7. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.ge27acce.assembly.stream.el9
  8. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9
  9. Upgrade

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

    Fixed in 1.2.9-4.rhaos4.21.el9
  10. Upgrade

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

    Fixed in 1.34.0-5.el9
  11. Upgrade

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

    Fixed in 1.34.0-5.el9
  12. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.g0aac049.assembly.stream.el9
  13. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
  14. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
  15. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
  16. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
  17. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9
  18. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9
  19. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9
  20. Upgrade

    Upgrade redhat/podman-docker to a version that resolves this vulnerability.

    Fixed in 5.4.0-16.rhaos4.21.el9
  21. Upgrade

    Upgrade redhat/podman-plugins to a version that resolves this vulnerability.

    Fixed in 5.4.0-16.rhaos4.21.el9
  22. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9
  23. Upgrade

    Upgrade redhat/podman-remote to a version that resolves this vulnerability.

    Fixed in 5.4.0-16.rhaos4.21.el9
  24. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9
  25. Upgrade

    Upgrade redhat/podman-tests to a version that resolves this vulnerability.

    Fixed in 5.4.0-16.rhaos4.21.el9
  26. Upgrade

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

    Fixed in 1.2.9-4.rhaos4.21.el9
  27. Upgrade

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

    Fixed in 1.2.9-4.rhaos4.21.el9
  28. Upgrade

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

    Fixed in 0.26.0-3.rhaos4.21.el8
  29. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
  30. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
  31. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8
  32. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8
  33. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.ge27acce.assembly.stream.el8
  34. Upgrade

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

    Fixed in 0.26.0-3.rhaos4.21.el8
  35. Upgrade

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

    Fixed in 0.26.0-3.rhaos4.21.el8
  36. Upgrade

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

    Fixed in 0.26.0-3.rhaos4.21.el8
  37. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.g0aac049.assembly.stream.el8
  38. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8
  39. Upgrade

    Upgrade redhat/cri-tools to a version that resolves this vulnerability.

    Fixed in 1.34.0-5.el9.aa
  40. Upgrade

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

    Fixed in 1.34.0-5.el9.aa
  41. Upgrade

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

    Fixed in 1.34.0-5.el9.aa
  42. Upgrade

    Upgrade redhat/kata-containers to a version that resolves this vulnerability.

    Fixed in 3.31.0-5.rhaos4.19.el9.aa
  43. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.g0aac049.assembly.stream.el9.aa
  44. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
  45. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
  46. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
  47. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
  48. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el9.aa
  49. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el9.aa
  50. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.gc9afac2.assembly.stream.el9.aa
  51. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9.aa
  52. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9.aa
  53. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9.aa
  54. Upgrade

    Upgrade redhat/podman-plugins to a version that resolves this vulnerability.

    Fixed in 5.4.0-16.rhaos4.21.el9.aa
  55. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9.aa
  56. Upgrade

    Upgrade redhat/podman-remote to a version that resolves this vulnerability.

    Fixed in 5.4.0-16.rhaos4.21.el9.aa
  57. Upgrade

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

    Fixed in 5.4.0-16.rhaos4.21.el9.aa
  58. Upgrade

    Upgrade redhat/podman-tests to a version that resolves this vulnerability.

    Fixed in 5.4.0-16.rhaos4.21.el9.aa
  59. Upgrade

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

    Fixed in 1.2.9-4.rhaos4.21.el9.aa
  60. Upgrade

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

    Fixed in 1.2.9-4.rhaos4.21.el9.aa
  61. Upgrade

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

    Fixed in 1.2.9-4.rhaos4.21.el9.aa
  62. Upgrade

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

    Fixed in 0.26.0-3.rhaos4.21.el8.aa
  63. Upgrade

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

    Fixed in 0.26.0-3.rhaos4.21.el8.aa
  64. Upgrade

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

    Fixed in 0.26.0-3.rhaos4.21.el8.aa
  65. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.g0aac049.assembly.stream.el8.aa
  66. Upgrade

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

    Fixed in 4.21.0-202608140338.p2.g7ffd39d.assembly.stream.el8.aa
  67. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.gfdc7f3f.assembly.stream.el8.aa
  68. Upgrade

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

    Fixed in 4.21.0-202608132049.p2.gc9afac2.assembly.stream.el8.aa
  69. Upgrade

    Upgrade Red Hat OpenShift Container Platform 4.21 to a version that resolves this vulnerability.

    Fixed in 4.21.30Patch RHSA-2026:57801
  70. Compensating control

    Check for and install the updated OpenShift Container Platform 4.21.30 packages and images in the appropriate release channel using the OpenShift CLI (oc) or the web console.

Event History

Aug 25, 2026
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
via Red Hat·10:08 AM
Data Sourced
via Red Hat·10:08 AM
Severity

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