CVE-2025-52520 (High) detected in tomcat-embed-core-9.0.56.jar

[mend-bolt-for-github]

CVE-2025-52520 - High Severity Vulnerability

Vulnerable Library - tomcat-embed-core-9.0.56.jar

Core Tomcat implementation

Library home page: https://tomcat.apache.org/

Path to dependency file: /src/examples/JavaSpring/pom.xml

Path to vulnerable library: /home/wss-scanner/.m2/repository/org/apache/tomcat/embed/tomcat-embed-core/9.0.56/tomcat-embed-core-9.0.56.jar

Dependency Hierarchy:

• spring-boot-starter-web-2.6.2.jar (Root Library)
  • spring-boot-starter-tomcat-2.6.2.jar
    • ❌ tomcat-embed-core-9.0.56.jar (Vulnerable Library)

Found in HEAD commit: 65d823526ff5e577818e96e962ef7b7fa50ec76a

Found in base branch: main

Vulnerability Details

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.
Mend Note: The description of this vulnerability differs from MITRE.

Publish Date: 2025-07-10

URL: CVE-2025-52520

CVSS 3 Score Details (7.5)

Base Score Metrics:

• Exploitability Metrics:
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: None
  • Scope: Unchanged
• Impact Metrics:
  • Confidentiality Impact: None
  • Integrity Impact: None
  • Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://tomcat.apache.org/security-9.html#Fixed_in_Apache_Tomcat_9.0.107

Release Date: 2025-07-06

Fix Resolution (org.apache.tomcat.embed:tomcat-embed-core): 9.0.107

Direct dependency fix Resolution (org.springframework.boot:spring-boot-starter-web): 3.0.0

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