Vulnerabilities CVE-2024-3884

CVE-2024-3884

High

Open

TLP:CLEAR

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

NVD CVE.org

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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.

Details

CVSS Score: 7.5
EPSS Score ⓘ: 1.38%

69.8th percentile
CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Confidence: 90%
Published: Dec 3, 2025
Last Modified: Aug 5, 2026

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