CVE-2024-4027

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"Red Hat JBoss Enterprise Application Platform Expansion Pack", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:jboss_enterprise_bpms_platform:7"], "defaultStatus": "affected", "packageName": "undertow", "product": "Red Hat Process Automation 7", "vendor": "Red Hat"}, {"collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "cpes": ["cpe:/a:redhat:red_hat_single_sign_on:7"], "defaultStatus": "unaffected", "packageName": "undertow", "product": "Red Hat Single Sign-On 7", "vendor": "Red Hat"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack."}, {"lang": "es", "value": "Se encontr\u00f3 una vulnerabilidad en Undertow. Los servlets que utilizan un m\u00e9todo que llama a HttpServletRequestImpl.getParameterNames() pueden causar un OutOfMemoryError cuando el cliente env\u00eda una solicitud con nombres de par\u00e1metros grandes. Este problema puede ser explotado por un usuario no autorizado para causar un ataque remoto de denegaci\u00f3n de servicio (DoS)."}], "id": "CVE-2024-4027", "lastModified": "2026-11-04T22:17:22.077", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "secalert@redhat.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-4027", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-30T14:41:20.519260Z", "version": "2.0.3"}}]}, "published": "2026-01-30T15:16:07.113", "references": [{"source": "secalert@redhat.com", "url": "https://access.redhat.com/security/cve/CVE-2024-4027"}, {"source": "secalert@redhat.com", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2276410"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://access.redhat.com/security/cve/CVE-2024-4027"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2276410"}, {"source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "url": "https://security.access.redhat.com/data/csaf/v2/vex/2024/cve-2024-4027.json"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "secalert@redhat.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-20"}], "source": "0b0ca135-0b70-47e7-9f44-1890c2a1c46c", "type": "Secondary"}]}

{"bugzilla": {"description": "undertow: OutOfMemoryError in HttpServletRequestImpl.getParameterNames() can cause remote DoS attacks", "id": "2276410", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2276410"}, "csaw": false, "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": "draft"}, "cwe": "CWE-20", "details": ["A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack."], "mitigation": {"lang": "en:us", "value": "Currently no mitigation is available for this vulnerability. Please make sure to perform the update as they become available."}, "name": "CVE-2024-4027", "package_state": [{"cpe": "cpe:/a:redhat:serverless:1", "fix_state": "Under investigation", "package_name": "undertow", "product_name": "OpenShift Serverless"}, {"cpe": "cpe:/a:redhat:camel_quarkus:3", "fix_state": "Under investigation", "package_name": "undertow", "product_name": "Red Hat build of Apache Camel 4 for Quarkus 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:3", "fix_state": "Under investigation", "package_name": "undertow", "product_name": "Red Hat build of Apache Camel for Spring Boot 3"}, {"cpe": "cpe:/a:redhat:camel_spring_boot:4", "fix_state": "Under investigation", "package_name": "undertow", "product_name": "Red Hat build of Apache Camel for Spring Boot 4"}, {"cpe": "cpe:/a:redhat:apache_camel_hawtio:4", "fix_state": "Under investigation", "package_name": "undertow", "product_name": "Red Hat build of Apache Camel - HawtIO 4"}, {"cpe": "cpe:/a:redhat:service_registry:2", "fix_state": "Affected", "package_name": "undertow", "product_name": "Red Hat build of Apicurio Registry 2"}, {"cpe": "cpe:/a:redhat:build_keycloak:", "fix_state": "Under investigation", "package_name": "undertow", "product_name": "Red Hat Build of Keycloak"}, {"cpe": "cpe:/a:redhat:optaplanner:::el6", "fix_state": "Under investigation", "package_name": "undertow", "product_name": "Red Hat build of OptaPlanner 8"}, {"cpe": "cpe:/a:redhat:quarkus:2", "fix_state": "Out of support scope", "package_name": "io.quarkus/quarkus-undertow", "product_name": "Red Hat build of Quarkus"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:8", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat Data Grid 8"}, {"cpe": "cpe:/a:redhat:jboss_fuse:7", "fix_state": "Will not fix", "package_name": "undertow", "product_name": "Red Hat Fuse 7"}, {"cpe": "cpe:/a:redhat:integration:1", "fix_state": "Will not fix", "package_name": "undertow", "product_name": "Red Hat Integration Camel K 1"}, {"cpe": "cpe:/a:redhat:jboss_data_grid:7", "fix_state": "Out of support scope", "package_name": "undertow", "product_name": "Red Hat JBoss Data Grid 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:7", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat JBoss Enterprise Application Platform 7"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_application_platform:8", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat JBoss Enterprise Application Platform 8"}, {"cpe": "cpe:/a:redhat:jbosseapxp", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat JBoss Enterprise Application Platform Expansion Pack"}, {"cpe": "cpe:/a:redhat:jboss_fuse_service_works:6", "fix_state": "Out of support scope", "package_name": "undertow", "product_name": "Red Hat JBoss Fuse Service Works 6"}, {"cpe": "cpe:/a:redhat:jboss_enterprise_bpms_platform:7", "fix_state": "Will not fix", "package_name": "undertow", "product_name": "Red Hat Process Automation 7"}, {"cpe": "cpe:/a:redhat:red_hat_single_sign_on:7", "fix_state": "Not affected", "package_name": "undertow", "product_name": "Red Hat Single Sign-On 7"}, {"cpe": "cpe:/a:redhat:amq_streams:1", "fix_state": "Under investigation", "package_name": "undertow", "product_name": "streams for Apache Kafka"}], "public_date": "2026-01-30T14:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-4027\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-4027"], "statement": "Red Hat rates this issue as an important impact since a malicious user may benefit from causing Denial of Service (DoS) to the server by sending large post requests as application/x-www-form-urlencoded or multipart/form-data, causing the parsing to run an OutOfMemoryError.", "threat_severity": "Important"}

{}