CVE-2024-3884

Aliases:GHSA-6h4f-pj3g-q8fq
Advisory lineage Upstream: 0 Downstream: 12
Deferred
Published: 03 Dec 2025, 18:40
Last modified:06 May 2026, 14:50

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
0.13% LOW
0% probability -0.41%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Dec 2025, 18:40
Published
Vulnerability first disclosed
06 May 2026, 14:50
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.13%• Percentile: 31%

Techniques & Countermeasures

  • CWE-20•Improper Input Validation

    The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

Affected Systems

  • io.undertow•undertow-core

    < 2.3.21.Final | < 2.2.39.Final | ≥ 2.4.0.Alpha1, < 2.4.0.Beta1 | ≥ 2.3.0.Alpha1, < 2.3.21.Final

References (29)