CVE-2024-3884

HIGH

Undertow < 2.3.21.Final - Denial of Service via Form Data Parsing

Title source: llm
STIX 2.1

Description

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, the method will cause an OutOfMemory issue. This flaw allows unauthorized users to cause a remote denial of service (DoS) attack.

References (14)

Core 14
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2026:0383
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2026:0384
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2026:0386
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2026:3889
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2026:3891
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2026:3892
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:4915
https://access.redhat.com/errata/RHSA-2026:4915
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:4916
https://access.redhat.com/errata/RHSA-2026:4916
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:4917
https://access.redhat.com/errata/RHSA-2026:4917
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:4924
https://access.redhat.com/errata/RHSA-2026:4924
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:6011
https://access.redhat.com/errata/RHSA-2026:6011
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:6012
https://access.redhat.com/errata/RHSA-2026:6012
Vendor Advisory vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2024-3884
Issue Tracking issue-tracking x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2275287

Scores

CVSS v3 7.5
EPSS 0.0039
EPSS Percentile 60.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact partial

Details

CWE
CWE-20
Status published
Products (50)
io.undertow/undertow-core 0 - 2.3.21.FinalMaven
Red Hat/OpenShift Serverless
Red Hat/Red Hat build of Apache Camel - HawtIO 4
Red Hat/Red Hat build of Apache Camel 4 for Quarkus 3
Red Hat/Red Hat build of Apache Camel for Spring Boot 3
Red Hat/Red Hat build of Apache Camel for Spring Boot 4
Red Hat/Red Hat build of Apicurio Registry 2
Red Hat/Red Hat Build of Keycloak
Red Hat/Red Hat build of OptaPlanner 8
Red Hat/Red Hat build of Quarkus
... and 40 more
Published Dec 03, 2025
Tracked Since Feb 18, 2026