CVE-2025-52520 Apache Tomcat - DoS in multipart upload
Severity: Low
Vendor: The Apache Software Foundation
Versions Affected:
Apache Tomcat 11.0.0-M1 to 11.0.8
Apache Tomcat 10.1.0-M1 to 10.1.42
Apache Tomcat 9.0.0.M1 to 9.0.106
Description:
For some unlikely configurations of multipart upload, an Integer
Overflow vulnerability could lead to a DoS via bypassing of size limits.
Mitigation:
Users of the affected versions should apply one of the following
mitigations:
- Upgrade to Apache Tomcat 11.0.9 or later
- Upgrade to Apache Tomcat 10.1.32 or later
- Upgrade to Apache Tomcat 9.0.107 or later
Credit:
The vulnerability was identified by Saravana Kumar
History:
2025-07-10 Original advisory
References:
[1] https://tomcat.apache.org/security-11.html
[2] https://tomcat.apache.org/security-10.html
[3] https://tomcat.apache.org/security-9.html
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