CVE-2025-52520CWE-190

Apache Tomcat: DoS via integer overflow in multipart file upload

High · published July 10, 2025

CVSS v3.1
7.5
EPSS
2%
Percentile
82.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.02198 · 82.4th percentile
Weakness
CWE-190 · Integer Overflow or Wraparound
Published
2025-07-10T19:05Z
EPSS history
Timeline
  • 10 JUL 19:05Z
    Apache Tomcat: DoS via integer overflow in multipart file upload
    cvelistv5