CVE-2014-0050: commons-fileupload:commons-fileupload - Denial of Service Vulnerability

commons-fileupload:commons-fileupload Updated 02 Oct 2025

Summary

21/12/2018

Disclosed on

CVE-2014-0050

CVE

Yes i

Fix available

High

Severity

Not published

CVSS Score

CVE-2014-0050: Commons FileUpload Denial of service vulnerability. Affects commons-fileupload:commons-fileupload versions < 1.3.1. Fixed in 1.3.1. How to fix ↓

Also tracked for

libcommons-fileupload-java · Debian:11

The same CVE-2014-0050 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.

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Background

commons-fileupload:commons-fileupload is a popular Java library used for handling file uploads in web applications. It is commonly used in frameworks like Apache Tomcat and JBoss Web. This library provides functionality to parse and process multipart/form-data requests. However, versions prior to 1.3.1 are vulnerable to a high severity denial of service vulnerability.

Vulnerability Detail

The vulnerability, identified as CVE-2014-0050, exists in the MultipartStream.java file of Apache Commons FileUpload. It allows remote attackers to cause a denial of service by exploiting an infinite loop and consuming excessive CPU resources. This can be achieved by sending a crafted Content-Type header that bypasses the intended exit conditions of the loop. The vulnerability was first published on December 21, 2018, and has a severity rating of HIGH. The Common Weakness Enumeration (CWE) ID associated with this vulnerability is CWE-20.

How To Fix

Minimum fixed version

1.3.1

This is the first release that contains the fix.

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Workaround

There is no known workaround for this vulnerability. It is essential to apply the fix by upgrading to a patched version of the commons-fileupload:commons-fileupload library.

Conclusion

The commons-fileupload:commons-fileupload library is vulnerable to a denial of service vulnerability that can be exploited by sending a specially crafted Content-Type header. To mitigate this issue, it is crucial to upgrade to version 1.3.1 or later. For further assistance and support in vulnerability remediation, please contact DevNack.com.

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