CVE-2025-52520

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.

Affected products

Alt Linux, Almalinux, Apache Tomcat, Astra Linux, Bamboo, Bitbucket, Centos, Debian

Apache Tomcat

< 9.0.107, 10.1.43, 11.0.9

Fix

Available

CVSS 3.1

7.5 HIGH

EPSS

2.0% (78th percentile)

Weakness

CWE-190

NVD status

Modified

Published

2025-07-10

No exploit for CVE-2025-52520 has been indexed yet. Our index is built from live traffic and upstream syncs, so this page can only say what it knows — not that no exploit exists.