{
  "threat_severity" : "Moderate",
  "public_date" : "2026-04-24T17:26:27Z",
  "bugzilla" : {
    "description" : "marked: Marked: Denial of Service via specific input sequence",
    "id" : "2461603",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2461603"
  },
  "cvss3" : {
    "cvss3_base_score" : "7.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "cwe" : "CWE-835",
  "details" : [ "Marked is a markdown parser and compiler. From 18.0.0 to 18.0.1, a critical Denial of Service (DoS) vulnerability exists in marked. By providing a specific 3-byte input sequence a tab, a vertical tab, and a newline (\\x09\\x0b\\n)—an unauthenticated attacker can trigger an infinite recursion loop during parsing. This leads to unbounded memory allocation, causing the host Node.js application to crash via Memory Exhaustion (OOM). This vulnerability is fixed in 18.0.2.", "A flaw was found in marked, a markdown parser and compiler. An unauthenticated attacker can exploit this Denial of Service (DoS) vulnerability by providing a specific 3-byte input sequence (a tab, a vertical tab, and a newline). This input triggers an infinite recursion loop during parsing, leading to unbounded memory allocation and causing the host Node.js application to crash due to Memory Exhaustion (OOM)." ],
  "affected_release" : [ {
    "product_name" : "Red Hat Satellite 6.18",
    "release_date" : "2026-06-16T00:00:00Z",
    "advisory" : "RHSA-2026:26214",
    "cpe" : "cpe:/a:redhat:satellite:6.18::el9",
    "package" : "satellite/iop-advisor-frontend-rhel9:1781181673"
  }, {
    "product_name" : "Red Hat Satellite 6.18",
    "release_date" : "2026-06-16T00:00:00Z",
    "advisory" : "RHSA-2026:26225",
    "cpe" : "cpe:/a:redhat:satellite:6.18::el9",
    "package" : "satellite/iop-vulnerability-frontend-rhel9:1781032495"
  } ],
  "package_state" : [ {
    "product_name" : "Migration Toolkit for Virtualization",
    "fix_state" : "Affected",
    "package_name" : "migration-toolkit-virtualization/mtv-console-plugin-rhel9",
    "cpe" : "cpe:/a:redhat:migration_toolkit_virtualization:2"
  }, {
    "product_name" : "Multicluster Engine for Kubernetes",
    "fix_state" : "Not affected",
    "package_name" : "multicluster-engine/console-mce-rhel9",
    "cpe" : "cpe:/a:redhat:multicluster_engine"
  }, {
    "product_name" : "OpenShift Lightspeed",
    "fix_state" : "Not affected",
    "package_name" : "openshift-lightspeed/lightspeed-console-plugin-419-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_lightspeed"
  }, {
    "product_name" : "OpenShift Lightspeed",
    "fix_state" : "Not affected",
    "package_name" : "openshift-lightspeed/lightspeed-console-plugin-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_lightspeed"
  }, {
    "product_name" : "OpenShift Service Mesh 3",
    "fix_state" : "Not affected",
    "package_name" : "openshift-service-mesh/kiali-ossmc-rhel9",
    "cpe" : "cpe:/a:redhat:service_mesh:3"
  }, {
    "product_name" : "OpenShift Service Mesh 3",
    "fix_state" : "Not affected",
    "package_name" : "openshift-service-mesh/kiali-rhel9",
    "cpe" : "cpe:/a:redhat:service_mesh:3"
  }, {
    "product_name" : "Red Hat Advanced Cluster Management for Kubernetes 2",
    "fix_state" : "Not affected",
    "package_name" : "rhacm2/console-rhel9",
    "cpe" : "cpe:/a:redhat:acm:2"
  }, {
    "product_name" : "Red Hat Advanced Cluster Security 4",
    "fix_state" : "Not affected",
    "package_name" : "advanced-cluster-security/rhacs-main-rhel8",
    "cpe" : "cpe:/a:redhat:advanced_cluster_security:4"
  }, {
    "product_name" : "Red Hat Ansible Automation Platform 2",
    "fix_state" : "Not affected",
    "package_name" : "ansible-automation-platform-26/gateway-rhel9",
    "cpe" : "cpe:/a:redhat:ansible_automation_platform:2"
  }, {
    "product_name" : "Red Hat Ansible Automation Platform 2",
    "fix_state" : "Not affected",
    "package_name" : "ansible-automation-platform-tech-preview/mcp-server-rhel9",
    "cpe" : "cpe:/a:redhat:ansible_automation_platform:2"
  }, {
    "product_name" : "Red Hat Ansible Automation Platform 2",
    "fix_state" : "Not affected",
    "package_name" : "automation-gateway",
    "cpe" : "cpe:/a:redhat:ansible_automation_platform:2"
  }, {
    "product_name" : "Red Hat Ansible Automation Platform 2",
    "fix_state" : "Not affected",
    "package_name" : "automation-platform-ui",
    "cpe" : "cpe:/a:redhat:ansible_automation_platform:2"
  }, {
    "product_name" : "Red Hat build of Apicurio Registry 2",
    "fix_state" : "Will not fix",
    "package_name" : "marked",
    "cpe" : "cpe:/a:redhat:service_registry:2"
  }, {
    "product_name" : "Red Hat build of Apicurio Registry 3",
    "fix_state" : "Not affected",
    "package_name" : "apicurio/apicurio-registry-ui-rhel8",
    "cpe" : "cpe:/a:redhat:apicurio_registry:3"
  }, {
    "product_name" : "Red Hat build of Apicurio Registry 3",
    "fix_state" : "Not affected",
    "package_name" : "apicurio/apicurio-registry-ui-rhel9",
    "cpe" : "cpe:/a:redhat:apicurio_registry:3"
  }, {
    "product_name" : "Red Hat build of Apicurio Registry 3",
    "fix_state" : "Not affected",
    "package_name" : "apicurio/apicurio-studio-ui-rhel8",
    "cpe" : "cpe:/a:redhat:apicurio_registry:3"
  }, {
    "product_name" : "Red Hat Build of Podman Desktop",
    "fix_state" : "Affected",
    "package_name" : "rh-podman-desktop.git",
    "cpe" : "cpe:/a:redhat:podman_desktop:1"
  }, {
    "product_name" : "Red Hat Build of Podman Desktop - Tech Preview",
    "fix_state" : "Will not fix",
    "package_name" : "rhdesktop/rh-podman-desktop-ext-bootc-rhel10",
    "cpe" : "cpe:/a:redhat:podman_desktop:0"
  }, {
    "product_name" : "Red Hat Ceph Storage 9",
    "fix_state" : "Affected",
    "package_name" : "rhceph/alloy-rhel10",
    "cpe" : "cpe:/a:redhat:ceph_storage:9"
  }, {
    "product_name" : "Red Hat Data Grid 8",
    "fix_state" : "Not affected",
    "package_name" : "marked",
    "cpe" : "cpe:/a:redhat:jboss_data_grid:8"
  }, {
    "product_name" : "Red Hat Developer Hub",
    "fix_state" : "Not affected",
    "package_name" : "rhdh/rhdh-hub-rhel9",
    "cpe" : "cpe:/a:redhat:rhdh:1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "cldr-emoji-annotation",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Affected",
    "package_name" : "grafana",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Affected",
    "package_name" : "grafana",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Affected",
    "package_name" : "grafana",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  }, {
    "product_name" : "Red Hat Fuse 7",
    "fix_state" : "Will not fix",
    "package_name" : "marked",
    "cpe" : "cpe:/a:redhat:jboss_fuse:7"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "fix_state" : "Not affected",
    "package_name" : "ruff",
    "cpe" : "cpe:/a:redhat:hummingbird:1"
  }, {
    "product_name" : "Red Hat Hardened Images",
    "fix_state" : "Not affected",
    "package_name" : "yarnpkg",
    "cpe" : "cpe:/a:redhat:hummingbird:1"
  }, {
    "product_name" : "Red Hat JBoss Enterprise Application Platform 7",
    "fix_state" : "Will not fix",
    "package_name" : "marked",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_application_platform:7"
  }, {
    "product_name" : "Red Hat JBoss Enterprise Application Platform 8",
    "fix_state" : "Not affected",
    "package_name" : "marked",
    "cpe" : "cpe:/a:redhat:jboss_enterprise_application_platform:8"
  }, {
    "product_name" : "Red Hat JBoss Enterprise Application Platform Expansion Pack",
    "fix_state" : "Not affected",
    "package_name" : "marked",
    "cpe" : "cpe:/a:redhat:jbosseapxp"
  }, {
    "product_name" : "Red Hat OpenShift AI (RHOAI)",
    "fix_state" : "Not affected",
    "package_name" : "rhoai/odh-dashboard-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_ai"
  }, {
    "product_name" : "Red Hat OpenShift AI (RHOAI)",
    "fix_state" : "Not affected",
    "package_name" : "rhoai/odh-mod-arch-gen-ai-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_ai"
  }, {
    "product_name" : "Red Hat OpenShift AI (RHOAI)",
    "fix_state" : "Affected",
    "package_name" : "rhoai/odh-mod-arch-maas-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_ai"
  }, {
    "product_name" : "Red Hat OpenShift AI (RHOAI)",
    "fix_state" : "Not affected",
    "package_name" : "rhoai/odh-mod-arch-model-registry-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_ai"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-console-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift Container Platform 4",
    "fix_state" : "Affected",
    "package_name" : "openshift4/ose-monitoring-plugin-rhel9",
    "cpe" : "cpe:/a:redhat:openshift:4"
  }, {
    "product_name" : "Red Hat OpenShift GitOps",
    "fix_state" : "Will not fix",
    "package_name" : "openshift-gitops-1/argocd-rhel8",
    "cpe" : "cpe:/a:redhat:openshift_gitops:1"
  }, {
    "product_name" : "Red Hat OpenShift GitOps",
    "fix_state" : "Will not fix",
    "package_name" : "openshift-gitops-1/argocd-rhel9",
    "cpe" : "cpe:/a:redhat:openshift_gitops:1"
  }, {
    "product_name" : "Self-service automation portal 2",
    "fix_state" : "Affected",
    "package_name" : "ansible-automation-platform/automation-portal",
    "cpe" : "cpe:/a:redhat:ansible_portal:2"
  }, {
    "product_name" : "streams for Apache Kafka 2",
    "fix_state" : "Not affected",
    "package_name" : "marked",
    "cpe" : "cpe:/a:redhat:amq_streams:2"
  }, {
    "product_name" : "streams for Apache Kafka 3",
    "fix_state" : "Not affected",
    "package_name" : "marked",
    "cpe" : "cpe:/a:redhat:amq_streams:3"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2026-41680\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-41680\nhttps://github.com/markedjs/marked/security/advisories/GHSA-6v9c-7cg6-27q7" ],
  "name" : "CVE-2026-41680",
  "mitigation" : {
    "value" : "To mitigate this vulnerability, Red Hat products that utilize the 'marked' library should be configured to process markdown content only from trusted sources. If markdown rendering is not a critical function, consider disabling or restricting its use within the application's configuration to reduce exposure.",
    "lang" : "en:us"
  },
  "csaw" : false
}