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CVE-2024-4027

🗓️ 30 Jan 2026 14:25:54Reported by redhatType 
cve
 cve
🔗 web.nvd.nist.gov👁 7 Views

CVE-2024-4027: Undertow OutOfMemoryError from large parameter names enabling remote denial.

Related
Affected
Refs
[
  {
    "vendor": "Red Hat",
    "product": "OpenShift Serverless",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:serverless:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Apache Camel 4 for Quarkus 3",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:camel_quarkus:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Apache Camel for Spring Boot 3",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:camel_spring_boot:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Apache Camel for Spring Boot 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:camel_spring_boot:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Apache Camel - HawtIO 4",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:apache_camel_hawtio:4"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Apicurio Registry 2",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:service_registry:2"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Build of Keycloak",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:build_keycloak:"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of OptaPlanner 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:optaplanner:::el6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Quarkus",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "io.quarkus/quarkus-undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:quarkus:2"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat build of Quarkus",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "io.quarkus/quarkus-undertow",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:quarkus:3"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Data Grid 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jboss_data_grid:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Fuse 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:jboss_fuse:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Integration Camel K 1",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:integration:1"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Data Grid 7",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:jboss_data_grid:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 7",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "undertow",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform 8",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "undertow",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_application_platform:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Enterprise Application Platform Expansion Pack",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "undertow",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:jbosseapxp"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat JBoss Fuse Service Works 6",
    "collectionURL": "https://access.redhat.com/jbossnetwork/restricted/listSoftware.html",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:jboss_fuse_service_works:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Process Automation 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/a:redhat:jboss_enterprise_bpms_platform:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Single Sign-On 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:red_hat_single_sign_on:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "streams for Apache Kafka",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "undertow",
    "defaultStatus": "unknown",
    "cpes": [
      "cpe:/a:redhat:amq_streams:1"
    ]
  }
]

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15 Apr 2026 00:35Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.17.5
EPSS0.00381
SSVC
7