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OpenAdvisories
Medium RHSA-2026:89229 1 CVE

Red Hat Security Advisory: OpenShift Container Platform 4.21.40 packages and security update

Published Nov 13, 2026 · Updated Nov 14, 2026

Fixed packages 35

ReleasePackageFixed in
Red Hat · OpenShift 4 openshift:4.21::el10 openshift 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 openshift-clients 0:4.21.0-202610221616.p2.gd0bf7cc.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 openshift-clients-redistributable 0:4.21.0-202610221616.p2.gd0bf7cc.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 openshift-hyperkube 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 openshift-kube-apiserver 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 openshift-kube-controller-manager 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 openshift-kube-scheduler 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 openshift-kubelet 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 ose-aws-ecr-image-credential-provider 0:4.21.0-202610221616.p2.gfdc7f3f.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 ose-azure-acr-image-credential-provider 0:4.21.0-202610221616.p2.g53d73b1.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 ose-crio-credential-provider 0:4.21.0-202610221616.p2.g83d4961.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el10 ose-gcp-gcr-image-credential-provider 0:4.21.0-202610221616.p2.gf064fc7.assembly.stream.el10
Red Hat · OpenShift 4 openshift:4.21::el8 openshift 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.21::el8 openshift-clients 0:4.21.0-202610221616.p2.gd0bf7cc.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.21::el8 openshift-clients-redistributable 0:4.21.0-202610221616.p2.gd0bf7cc.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.21::el8 openshift-hyperkube 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.21::el8 ose-aws-ecr-image-credential-provider 0:4.21.0-202610221616.p2.gfdc7f3f.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.21::el8 ose-azure-acr-image-credential-provider 0:4.21.0-202610221616.p2.g53d73b1.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.21::el8 ose-crio-credential-provider 0:4.21.0-202610221616.p2.g83d4961.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.21::el8 ose-gcp-gcr-image-credential-provider 0:4.21.0-202610221616.p2.gf064fc7.assembly.stream.el8
Red Hat · OpenShift 4 openshift:4.21::el9 cri-tools 0:1.34.0-8.el9
Red Hat · OpenShift 4 openshift:4.21::el9 cri-tools-debuginfo 0:1.34.0-8.el9
Red Hat · OpenShift 4 openshift:4.21::el9 cri-tools-debugsource 0:1.34.0-8.el9
Red Hat · OpenShift 4 openshift:4.21::el9 openshift 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 openshift-clients 0:4.21.0-202610221616.p2.gd0bf7cc.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 openshift-clients-redistributable 0:4.21.0-202610221616.p2.gd0bf7cc.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 openshift-hyperkube 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 openshift-kube-apiserver 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 openshift-kube-controller-manager 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 openshift-kube-scheduler 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 openshift-kubelet 0:4.21.0-202610221616.p2.g601ff80.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 ose-aws-ecr-image-credential-provider 0:4.21.0-202610221616.p2.gfdc7f3f.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 ose-azure-acr-image-credential-provider 0:4.21.0-202610221616.p2.g53d73b1.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 ose-crio-credential-provider 0:4.21.0-202610221616.p2.g83d4961.assembly.stream.el9
Red Hat · OpenShift 4 openshift:4.21::el9 ose-gcp-gcr-image-credential-provider 0:4.21.0-202610221616.p2.gf064fc7.assembly.stream.el9

Vulnerabilities 1

References

  • article
    https://access.redhat.com/security/updates/classification/#important
  • report
    https://bugzilla.redhat.com/show_bug.cgi?id=2556068
  • advisory
    https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_89229.json
  • report
    https://access.redhat.com/security/cve/CVE-2026-111943
  • article
    https://access.redhat.com/security/vulnerabilities/RHSB-2026-012
  • advisory
    https://www.cve.org/CVERecord?id=CVE-2026-111943
  • advisory
    https://nvd.nist.gov/vuln/detail/CVE-2026-111943
  • article
    https://github.com/golang/go/issues/82345
  • article
    https://groups.google.com/g/golang-nuts/c/K22sG2AYnKU
  • advisory
    https://pkg.go.dev/vuln/GO-2026-6809