CVE-2025-52520

Severity CVSS v4.0:

Pending analysis

Type:

CWE-190 Integer Overflow or Wraparound

Publication date:

10/07/2025

Last modified:

29/07/2025

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.<br /> <br /> 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.<br /> <br /> Users are recommended to upgrade to version 11.0.9, 10.1.43 or 9.0.107, which fix the issue.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.50 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x

7.50

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:apache:tomcat::::::::	9.0.0 (including)	9.0.107 (excluding)
cpe:2.3:a:apache:tomcat::::::::	10.1.0 (including)	10.1.43 (excluding)
cpe:2.3:a:apache:tomcat::::::::	11.0.0 (including)	11.0.9 (excluding)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

https://lists.apache.org/thread/trqq01bbxw6c92zx69kx2mw2qgmfy0o5