{"id":"CVE-2024-3884","title":"A flaw was found in Undertow that can cause remote denial of service attacks","summary":"A flaw was found in Undertow that can cause remote denial of service attacks. When the server uses the FormEncodedDataDefinition.doParse(StreamSourceChannel) method to parse large form data encoding with application/x-www-form-urlencoded…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-20"],"published":"2025-12-03","updated":"2026-10-14","sourceUpdated":"2026-10-14T18:17:06.873","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-3884","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:0383","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:0384","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:0386","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:3889","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:3891","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:3892","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:4915","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:4916","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:4917","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:4924","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:6011","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:6012","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2024-3884","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2275287","label":"secalert@redhat.com"}],"tags":["nvd","cve.org"],"epss":0.01359,"epssPercentile":0.71554,"ingestedAt":"2026-07-24T04:20:27.271Z","vendor":"Red Hat","product":"eap7-undertow","affected":["eap7-undertow (all versions)","eap7-wildfly (all versions)","eap7-undertow (all versions)","eap7-wildfly (all versions)","io.undertow/undertow-core (all versions)","eap7-undertow (all versions)","eap7-wildfly (all versions)","eap7-undertow (all versions)","eap7-wildfly (all versions)","eap7-undertow (all versions)","eap7-wildfly (all versions)","undertow","eap8-bouncycastle (all versions)","eap8-guava-libraries (all versions)","eap8-jaxb (all versions)","eap8-jcip-annotations (all versions)","eap8-slf4j-jboss-logmanager (all versions)","eap8-undertow (all versions)","eap8-bouncycastle (all versions)","eap8-guava-libraries (all versions)","eap8-jaxb (all versions)","eap8-jcip-annotations (all versions)","eap8-slf4j-jboss-logmanager (all versions)","eap8-undertow (all versions)","io.undertow/undertow-core (all versions)","eap8-apache-cxf (all versions)","eap8-bouncycastle (all versions)","eap8-eap-product-conf-parent (all versions)","eap8-eventstream (all versions)","eap8-hibernate (all versions)","eap8-jboss-el-api_5.0_spec (all versions)","eap8-jboss-threads (all versions)","eap8-undertow (all versions)","eap8-wildfly (all versions)","eap8-wildfly-clustering (all versions)","eap8-wildfly-elytron (all versions)","eap8-wildfly-javadocs (all versions)","eap8-apache-cxf (all versions)","eap8-bouncycastle (all versions)","eap8-eap-product-conf-parent (all versions)","eap8-eventstream (all versions)","eap8-hibernate (all versions)","eap8-jboss-el-api_5.0_spec (all versions)","eap8-jboss-threads (all versions)","eap8-undertow (all versions)","eap8-wildfly (all versions)","eap8-wildfly-clustering (all versions)","eap8-wildfly-elytron (all versions)","eap8-wildfly-javadocs (all versions)","undertow"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2025-12-03T20:50:16.644717Z"},"slug":"CVE-2024-3884","body":"## Overview\n\nA flaw was found in Undertow that can cause remote denial of service attacks. When the server uses the FormEncodedDataDefinition.doParse(StreamSourceChannel) method to parse large form data encoding with application/x-www-form-urlencoded, the method will cause an OutOfMemory issue. This flaw allows unauthorized users to cause a remote denial of service (DoS) attack.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":42,"depthScoreParts":{"impact":41.3,"likelihood":0.3,"exploitation":0,"ransomware":0},"changes":[]}