CVE-2025-52520
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-07-10

Last updated on: 2025-11-04

Assigner: Apache Software Foundation

Description
For some unlikely configurations of multipart upload, an Integer Overflow vulnerability in Apache Tomcat could lead to a DoS via bypassing of size limits. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.8, from 10.1.0-M1 through 10.1.42, from 9.0.0.M1 through 9.0.106. The following versions were EOL at the time the CVE was created but are known to be affected: 8.5.0 through 8.5.100. Other, older, EOL versions may also be affected. Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.
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Meta Information
Published
2025-07-10
Last Modified
2025-11-04
Generated
2026-05-06
AI Q&A
2025-07-10
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
apache tomcat From 9.0.0 (inc) to 9.0.107 (exc)
apache tomcat From 10.1.0 (inc) to 10.1.43 (exc)
apache tomcat From 11.0.0 (inc) to 11.0.9 (exc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
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CWE ID Description
CWE-190 The product performs a calculation that can produce an integer overflow or wraparound when the logic assumes that the resulting value will always be larger than the original value. This occurs when an integer value is incremented to a value that is too large to store in the associated representation. When this occurs, the value may become a very small or negative number.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability is an Integer Overflow in Apache Tomcat that occurs under certain unlikely configurations of multipart upload. It can cause the application to bypass size limits, potentially leading to a Denial of Service (DoS) condition.


How can this vulnerability impact me? :

The vulnerability can lead to a Denial of Service (DoS) by allowing attackers to bypass size limits during multipart uploads, which may cause the server to become unresponsive or crash.


What immediate steps should I take to mitigate this vulnerability?

Users are recommended to upgrade Apache Tomcat to version 11.0.9, 10.1.43, or 9.0.107, which fix the Integer Overflow vulnerability that could lead to a DoS via bypassing of size limits.


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