CVE-2024-3884
highpriority · track · 0EPSS 0.014 · 72 %ileDEEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (56)
Products and version ranges known to be affected.
- Red Hat Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7< 0:1.4.18-19.SP17_redhat_00001.1.ep7.el7enisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.1 EUS for RHEL 7< 0:7.1.14-4.GA_redhat_00003.1.ep7.el7enisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7< 0:2.0.41-7.SP8_redhat_00001.1.el7eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.3 EUS for RHEL 7< 0:7.3.17-5.GA_redhat_00006.1.el7eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7< 0:2.2.39-1.Final_redhat_00001.1.el7eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 7< 0:7.4.24-4.GA_redhat_00002.1.el7eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8< 0:2.2.39-1.Final_redhat_00001.1.el8eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 8< 0:7.4.24-4.GA_redhat_00002.1.el8eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9< 0:2.2.39-1.Final_redhat_00001.1.el9eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 7.4 ELS on RHEL 9< 0:7.4.24-4.GA_redhat_00002.1.el9eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8< 0:1.0.0-3.redhat_00009.1.el8eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8< 0:1.83.0-1.redhat_00001.1.el8eapenisa_euvdEU
- Red Hat Red Hat JBoss Enterprise Application Platform 8.0 for RHEL 8< 0:2.0.2-1.Final_redhat_00001.1.el8eapenisa_euvdEU
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0054Red Hat JBoss Enterprise Application Platform (Undertow): Mehrere SchwachstellenDeutsch2026-01-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Red Hat JBoss Enterprise Application Platform ausnutzen, um einen Denial of Service Zustand herbeizuführen, Daten zu manipulieren und um weitere Angriffe wie Cache-Poisoning und Session-Hijacking durchzuführen.
- GHSA-6h4f-pj3g-q8fqUndertow OutOfMemory when parsing form data encoding with application/x-www-form-urlencoded2025-12-03ghsa · osvUS
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.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (32)
External citations — patches, advisories, analysis.
- https://access.redhat.com/security/cve/CVE-2024-3884cnnvd
- https://access.redhat.com/security/cve/cve-2024-3884cnnvd
- https://bugzilla.redhat.com/show_bug.cgi?id=2275287cnnvd
- https://vigilance.fr/vulnerability/Undertow-overload-via-FormEncodedDataDefinition-doParse-48991cnnvd
- https://access.redhat.com/errata/RHSA-2026:0383enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:0384enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:0386enisa_euvd
- https://access.redhat.com/errata/RHSA-2026:3889enisa_euvd
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