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Message-ID: <6445965b-c854-412e-932f-68f4153c67a6@apache.org>
Date: Thu, 10 Jul 2025 20:06:23 +0100
From: Mark Thomas <markt@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2025-52520: Apache Tomcat: DoS via integer overflow in multipart
file upload
Severity: low
Affected versions:
- Apache Tomcat 11.0.0-M1 through 11.0.8
- Apache Tomcat 10.1.0-M1 through 10.1.42
- Apache Tomcat 9.0.0.M1 through 9.0.106
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.
Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107,
which fix the issue.
Credit:
Saravana Kumar (finder)
References:
https://lists.apache.org/thread/trqq01bbxw6c92zx69kx2mw2qgmfy0o5
https://tomcat.apache.org/
https://www.cve.org/CVERecord?id=CVE-2025-52520
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