CVE-2024-4027

HIGH SEVERITY

CVSS Score & Metrics

Base Score

7.5 / 10

Vector String

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

Vulnerability Description

A flaw was found in Undertow. Servlets using a method that calls HttpServletRequestImpl.getParameterNames() can cause an OutOfMemoryError when the client sends a request with large parameter names. This issue can be exploited by an unauthorized user to cause a remote denial-of-service (DoS) attack.

Vulnerability Details

Published Date

January 30, 2026

Last Modified

February 04, 2026

CWE ID

CWE-20

Source

NVD

Vendor

maven

Product

io.undertow:undertow-core

External References

https://access.redhat.com/security/cve/CVE-2024-4027
https://bugzilla.redhat.com/show_bug.cgi?id=2276410

CVE-2024-4027

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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