CVE-2025-52520 Security Details

CVE ID

CVE-2025-52520

CWE

CWE-190

CVE 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.

Published

Jul 14, 2025

CVSS Score & Severity

8.9High

CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

EPSS Score

0.683%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/apache/catalina/connector/Request.parseParts(Z)V

JVM

Affected Ecosystems

affected

Source

National Vulnerability Database

References

GitHub · Advisory · GHSA-wr62-c79q-cv37THIRD_PARTY