{
  "threat_severity" : "Moderate",
  "public_date" : "2022-12-27T00:00:00Z",
  "bugzilla" : {
    "description" : "go-yaml: Denial of Service in go-yaml",
    "id" : "2156727",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2156727"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-400",
  "details" : [ "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector.", "A flaw was found in go-yaml. This issue occurs due to unbounded alias chasing, where a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector." ],
  "affected_release" : [ {
    "product_name" : "Red Hat OpenShift Container Platform 4.12",
    "release_date" : "2023-01-17T00:00:00Z",
    "advisory" : "RHSA-2022:7398",
    "cpe" : "cpe:/a:redhat:openshift:4.12::el8",
    "package" : "openshift-clients-0:4.12.0-202301042257.p0.g854f807.assembly.stream.el8"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.12",
    "release_date" : "2023-02-07T00:00:00Z",
    "advisory" : "RHSA-2023:0569",
    "cpe" : "cpe:/a:redhat:openshift:4.12::el8",
    "package" : "openshift4/ose-installer:v4.12.0-202301271115.p0.g7fea1c4.assembly.stream"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.12",
    "release_date" : "2023-02-07T00:00:00Z",
    "advisory" : "RHSA-2023:0570",
    "cpe" : "cpe:/a:redhat:openshift:4.12::el8",
    "package" : "openshift4/metallb-rhel8-operator:v4.12.0-202301301729.p0.g917cd33.assembly.stream"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.12",
    "release_date" : "2023-06-24T00:00:00Z",
    "advisory" : "RHSA-2023:3615",
    "cpe" : "cpe:/a:redhat:openshift:4.12::el8",
    "package" : "openshift4/ose-openshift-controller-manager-rhel8:v4.12.0-202306090942.p0.gb6528f9.assembly.stream"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.13",
    "release_date" : "2023-05-17T00:00:00Z",
    "advisory" : "RHSA-2023:1326",
    "cpe" : "cpe:/a:redhat:openshift:4.13::el8",
    "package" : "openshift4/ose-installer:v4.13.0-202305091542.p0.g44db7b2.assembly.stream"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4.13",
    "release_date" : "2023-05-17T00:00:00Z",
    "advisory" : "RHSA-2023:1326",
    "cpe" : "cpe:/a:redhat:openshift:4.13::el8",
    "package" : "openshift4/ose-machine-api-operator:v4.13.0-202304190216.p0.ga23baf7.assembly.stream"
  }, {
    "product_name" : "RHODF-4.13-RHEL-9",
    "release_date" : "2023-06-21T00:00:00Z",
    "advisory" : "RHSA-2023:3742",
    "cpe" : "cpe:/a:redhat:openshift_data_foundation:4.13::el9",
    "package" : "odf4/mcg-rhel9-operator:v4.13.0-41"
  }, {
    "product_name" : "RHODF-4.13-RHEL-9",
    "release_date" : "2023-06-21T00:00:00Z",
    "advisory" : "RHSA-2023:3742",
    "cpe" : "cpe:/a:redhat:openshift_data_foundation:4.13::el9",
    "package" : "odf4/odf-rhel9-operator:v4.13.0-24"
  } ],
  "package_state" : [ {
    "product_name" : "cert-manager Operator for Red Hat OpenShift",
    "fix_state" : "Will not fix",
    "package_name" : "jetstack-cert-manager-container",
    "cpe" : "cpe:/a:redhat:cert_manager:1"
  }, {
    "product_name" : "Migration Toolkit for Containers",
    "fix_state" : "Will not fix",
    "package_name" : "rhmtc/openshift-migration-controller-rhel8",
    "cpe" : "cpe:/a:redhat:rhmt:1"
  }, {
    "product_name" : "Node Maintenance Operator",
    "fix_state" : "Not affected",
    "package_name" : "workload-availability/node-maintenance-rhel8-operator",
    "cpe" : "cpe:/a:redhat:workload_availability_nmo:5"
  }, {
    "product_name" : "OpenShift Developer Tools and Services",
    "fix_state" : "Not affected",
    "package_name" : "helm",
    "cpe" : "cpe:/a:redhat:ocp_tools"
  }, {
    "product_name" : "OpenShift Developer Tools and Services",
    "fix_state" : "Affected",
    "package_name" : "odo",
    "cpe" : "cpe:/a:redhat:ocp_tools"
  }, {
    "product_name" : "OpenShift Pipelines",
    "fix_state" : "Will not fix",
    "package_name" : "openshift-pipelines-client",
    "cpe" : "cpe:/a:redhat:openshift_pipelines:1"
  }, {
    "product_name" : "OpenShift Serverless",
    "fix_state" : "Will not fix",
    "package_name" : "openshift-serverless-1/client-kn-rhel8",
    "cpe" : "cpe:/a:redhat:serverless:1"
  }, {
    "product_name" : "OpenShift Serverless",
    "fix_state" : "Will not fix",
    "package_name" : "openshift-serverless-1/kn-cli-artifacts-rhel8",
    "cpe" : "cpe:/a:redhat:serverless:1"
  }, {
    "product_name" : "OpenShift Serverless",
    "fix_state" : "Will not fix",
    "package_name" : "openshift-serverless-clients",
    "cpe" : "cpe:/a:redhat:serverless:1"
  }, {
    "product_name" : "OpenShift Service Mesh 2",
    "fix_state" : "Not affected",
    "package_name" : "openshift-service-mesh/istio-cni-rhel8",
    "cpe" : "cpe:/a:redhat:service_mesh:2"
  }, {
    "product_name" : "Red Hat Advanced Cluster Management for Kubernetes 2",
    "fix_state" : "Not affected",
    "package_name" : "rhacm2/multiclusterhub-repo-rhel8",
    "cpe" : "cpe:/a:redhat:acm:2"
  }, {
    "product_name" : "Red Hat Advanced Cluster Management for Kubernetes 2",
    "fix_state" : "Not affected",
    "package_name" : "rhacm2/multicluster-operators-channel-rhel8",
    "cpe" : "cpe:/a:redhat:acm:2"
  }, {
    "product_name" : "Red Hat Advanced Cluster Management for Kubernetes 2",
    "fix_state" : "Not affected",
    "package_name" : "rhacm2/multicluster-operators-subscription-rhel8",
    "cpe" : "cpe:/a:redhat:acm:2"
  }, {
    "product_name" : "Red Hat Advanced Cluster Security 3",
    "fix_state" : "Will not fix",
    "package_name" : "advanced-cluster-security/rhacs-main-rhel8",
    "cpe" : "cpe:/a:redhat:advanced_cluster_security:3"
  }, {
    "product_name" : "Red Hat Ansible Automation Platform 2",
    "fix_state" : "Affected",
    "package_name" : "openshift-clients",
    "cpe" : "cpe:/a:redhat:ansible_automation_platform:2"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "microshift",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/kubernetes-nmstate-rhel9-operator",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/oc-mirror-plugin-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/openshift-route-controller-manager-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-alibaba-machine-controllers-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-aws-machine-controllers",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-azure-cluster-api-controllers-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-azure-machine-controllers",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-baremetal-machine-controllers",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-cluster-api-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-cluster-monitoring-rhel9-operator",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-console",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-csi-driver-shared-resource-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-docker-builder",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-gcp-filestore-csi-driver-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-gcp-machine-controllers-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-gcp-pd-csi-driver-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-hypershift-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-ibmcloud-machine-controllers-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-machine-api-operator",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-machine-api-provider-aws-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-machine-api-provider-azure-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-machine-api-provider-gcp-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-machine-api-provider-openstack-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-machine-config-operator",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-node-problem-detector-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-nutanix-machine-controllers-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-olm-rukpak-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-openshift-apiserver-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-openstack-machine-controllers",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-operator-sdk-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-ovirt-machine-controllers-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-powervs-machine-controllers-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4/ose-sdn-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-sriov-network-webhook",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/ose-tests",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-vsphere-csi-driver-syncer-rhel8",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Will not fix",
    "package_name" : "openshift4/special-resource-rhel8-operator",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Not affected",
    "package_name" : "openshift4-wincw/windows-machine-config-rhel8-operator",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat Openshift Container Storage 4",
    "fix_state" : "Out of support scope",
    "package_name" : "ocs4/cephcsi-rhel8",
    "cpe" : "cpe:/a:redhat:openshift_container_storage:4"
  }, {
    "product_name" : "Red Hat Openshift Container Storage 4",
    "fix_state" : "Out of support scope",
    "package_name" : "ocs4/mcg-rhel8-operator",
    "cpe" : "cpe:/a:redhat:openshift_container_storage:4"
  }, {
    "product_name" : "Red Hat Openshift Container Storage 4",
    "fix_state" : "Out of support scope",
    "package_name" : "ocs4/ocs-rhel8-operator",
    "cpe" : "cpe:/a:redhat:openshift_container_storage:4"
  }, {
    "product_name" : "Red Hat Openshift Container Storage 4",
    "fix_state" : "Out of support scope",
    "package_name" : "ocs4/rook-ceph-rhel8-operator",
    "cpe" : "cpe:/a:redhat:openshift_container_storage:4"
  }, {
    "product_name" : "Red Hat Openshift Data Foundation 4",
    "fix_state" : "Affected",
    "package_name" : "ocs4/mcg-rhel8-operator",
    "cpe" : "cpe:/a:redhat:openshift_data_foundation:4"
  }, {
    "product_name" : "Red Hat Openshift Data Foundation 4",
    "fix_state" : "Not affected",
    "package_name" : "odf4/cephcsi-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_data_foundation:4"
  }, {
    "product_name" : "Red Hat Openshift Data Foundation 4",
    "fix_state" : "Not affected",
    "package_name" : "odf4/ocs-rhel9-operator",
    "cpe" : "cpe:/a:redhat:openshift_data_foundation:4"
  }, {
    "product_name" : "Red Hat Openshift Data Foundation 4",
    "fix_state" : "Will not fix",
    "package_name" : "odf4/odf-multicluster-rhel9-operator",
    "cpe" : "cpe:/a:redhat:openshift_data_foundation:4"
  }, {
    "product_name" : "Red Hat OpenShift GitOps",
    "fix_state" : "Affected",
    "package_name" : "openshift-gitops-1/applicationset-rhel8",
    "cpe" : "cpe:/a:redhat:openshift_gitops:1"
  }, {
    "product_name" : "Red Hat OpenShift GitOps",
    "fix_state" : "Affected",
    "package_name" : "openshift-gitops-1/argocd-rhel8",
    "cpe" : "cpe:/a:redhat:openshift_gitops:1"
  }, {
    "product_name" : "Red Hat OpenShift Virtualization 4",
    "fix_state" : "Will not fix",
    "package_name" : "container-native-virtualization/kubernetes-nmstate-handler-rhel8",
    "cpe" : "cpe:/a:redhat:container_native_virtualization:4"
  }, {
    "product_name" : "Red Hat OpenShift Virtualization 4",
    "fix_state" : "Fix deferred",
    "package_name" : "container-native-virtualization/node-maintenance-operator",
    "cpe" : "cpe:/a:redhat:container_native_virtualization:4"
  }, {
    "product_name" : "Red Hat OpenStack Platform 16.1",
    "fix_state" : "Not affected",
    "package_name" : "golang-gopkg-yaml",
    "cpe" : "cpe:/a:redhat:openstack:16.1"
  }, {
    "product_name" : "Red Hat OpenStack Platform 16.2",
    "fix_state" : "Not affected",
    "package_name" : "golang-gopkg-yaml",
    "cpe" : "cpe:/a:redhat:openstack:16.2"
  }, {
    "product_name" : "Red Hat Quay 3",
    "fix_state" : "Affected",
    "package_name" : "quay/quay-operator-rhel8",
    "cpe" : "cpe:/a:redhat:quay:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2021-4235\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-4235\nhttps://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241\nhttps://github.com/go-yaml/yaml/pull/375\nhttps://pkg.go.dev/vuln/GO-2021-0061" ],
  "name" : "CVE-2021-4235",
  "csaw" : false
}