Undertow: outofmemory when parsing form data encoding with application/x-www-form-urlencoded
Summary
| CVE | CVE-2024-3884 |
|---|---|
| State | PUBLISHED |
| Assigner | redhat |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2025-12-03 19:15:54 UTC |
| Updated | 2026-03-30 12:16:18 UTC |
| 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. |
Risk And Classification
Primary CVSS: v3.1 7.5 HIGH from [email protected]
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.009410000 probability, percentile 0.761840000 (date 2026-04-01)
Problem Types: CWE-20 | CWE-20 Improper Input Validation
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| 3.1 | CNA | CVSS | 7.5 | HIGH | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
NoneUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
NoneAvailability
HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.1 EUS For RHEL 7 | unaffected 0:1.4.18-19.SP17_redhat_00001.1.ep7.el7 * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.1 EUS For RHEL 7 | unaffected 0:7.1.14-4.GA_redhat_00003.1.ep7.el7 * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.3 EUS For RHEL 7 | unaffected 0:2.0.41-7.SP8_redhat_00001.1.el7eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.3 EUS For RHEL 7 | unaffected 0:7.3.17-5.GA_redhat_00006.1.el7eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 | Not specified | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 | unaffected 0:2.2.39-1.Final_redhat_00001.1.el7eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 7 | unaffected 0:7.4.24-4.GA_redhat_00002.1.el7eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 | unaffected 0:2.2.39-1.Final_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 8 | unaffected 0:7.4.24-4.GA_redhat_00002.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 | unaffected 0:2.2.39-1.Final_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 7.4 ELS On RHEL 9 | unaffected 0:7.4.24-4.GA_redhat_00002.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 | Not specified | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 8 | unaffected 0:1.83.0-1.redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 8 | unaffected 0:33.0.0-2.jre_redhat_00003.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 8 | unaffected 0:4.0.6-1.redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 8 | unaffected 0:1.0.0-3.redhat_00009.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 8 | unaffected 0:2.0.2-1.Final_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 8 | unaffected 0:2.3.23-1.SP3_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 9 | unaffected 0:1.83.0-1.redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 9 | unaffected 0:33.0.0-2.jre_redhat_00003.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 9 | unaffected 0:4.0.6-1.redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 9 | unaffected 0:1.0.0-3.redhat_00009.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 9 | unaffected 0:2.0.2-1.Final_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.0 For RHEL 9 | unaffected 0:2.3.23-1.SP3_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 | Not specified | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:4.0.10-1.redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:1.82.0-1.redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:801.3.0-1.GA_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:1.0.1-3.redhat_00003.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:6.6.36-1.Final_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:4.0.2-1.Final_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:2.5.0-1.redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:2.3.20-2.SP4_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:8.1.3-4.GA_redhat_00006.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:5.0.12-1.Final_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:2.6.6-1.Final_redhat_00001.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 8 | unaffected 0:8.1.1-4.GA_redhat_00007.1.el8eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:4.0.10-1.redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:1.82.0-1.redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:801.3.0-1.GA_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:1.0.1-3.redhat_00003.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:6.6.36-1.Final_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:4.0.2-1.Final_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:2.5.0-1.redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:2.3.20-2.SP4_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:8.1.3-4.GA_redhat_00006.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:5.0.12-1.Final_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:2.6.6-1.Final_redhat_00001.1.el9eap * rpm | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform 8.1 For RHEL 9 | unaffected 0:8.1.1-4.GA_redhat_00007.1.el9eap * rpm | Not specified |
| CNA | Red Hat | OpenShift Serverless | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of Apache Camel 4 For Quarkus 3 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of Apache Camel For Spring Boot 3 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of Apache Camel For Spring Boot 4 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of Apache Camel - HawtIO 4 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of Apicurio Registry 2 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of Keycloak | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of OptaPlanner 8 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of Quarkus | Not specified | Not specified |
| CNA | Red Hat | Red Hat Build Of Quarkus | Not specified | Not specified |
| CNA | Red Hat | Red Hat Data Grid 8 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Fuse 7 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Integration Camel K 1 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Integration Camel Quarkus 2 | Not specified | Not specified |
| CNA | Red Hat | Red Hat JBoss Data Grid 7 | Not specified | Not specified |
| CNA | Red Hat | Red Hat JBoss Enterprise Application Platform Expansion Pack | Not specified | Not specified |
| CNA | Red Hat | Red Hat JBoss Fuse Service Works 6 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Process Automation 7 | Not specified | Not specified |
| CNA | Red Hat | Red Hat Single Sign-On 7 | Not specified | Not specified |
| CNA | Red Hat | Streams For Apache Kafka | Not specified | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| access.redhat.com/errata/RHSA-2026:6011 | [email protected] | access.redhat.com | |
| bugzilla.redhat.com/show_bug.cgi | [email protected] | bugzilla.redhat.com | |
| access.redhat.com/security/cve/CVE-2024-3884 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:3889 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:4924 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:0386 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:6012 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:4916 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:3891 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:3892 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:0383 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:4915 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:0384 | [email protected] | access.redhat.com | |
| access.redhat.com/errata/RHSA-2026:4917 | [email protected] | access.redhat.com | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2024-04-16T00:00:00.000Z | Reported to Red Hat. |
| CNA | 2025-12-03T16:50:50.000Z | Made public. |
Workarounds
CNA: It is possible to mitigate the vulnerability by performing an upper-level verification to ensure the content size sent server side is within the allowed parameters.
There are currently no legacy QID mappings associated with this CVE.