CVE-2024-3884 HIGH

CVE-2024-3884: Undertow: outofmemory when parsing form data encoding with application/x-www-form-urlencoded

Vendor Red Hat
Product Red Hat JBoss Enterprise Application Platform 8.0
Weakness CWE-20 · Input validation
Published December 3, 2025
Last update June 8, 2026
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 3, 2025 CVE published
June 8, 2026 Record updated