Integer Overflow or Wraparound Affecting org.apache.tomcat.embed:tomcat-embed-core package, versions [9.0.0.M1,9.0.107)[10.0.0-M1,10.1.43)[11.0.0-M1,11.0.9)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-JAVA-ORGAPACHETOMCATEMBED-10674391
- published10 Jul 2025
- disclosed16 Jun 2025
- creditSaravana Kumar
Introduced: 16 Jun 2025
CVE-2025-52520 (opens in a new tab)How to fix?
Upgrade org.apache.tomcat.embed:tomcat-embed-core to version 9.0.107, 10.1.43, 11.0.9 or higher.
Overview
org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation.
Affected versions of this package are vulnerable to Integer Overflow or Wraparound via file uploads through servlet containers. An attacker can craft malicious multipart/form-data requests with specially crafted Content-Length headers that trigger integer overflow vulnerabilities, potentially bypassing file size restrictions and causing memory exhaustion.