Integer Overflow or Wraparound Affecting tomcat9 package, versions <1:9.0.107-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.16% (39th percentile)

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  • Snyk IDSNYK-AMZN2023-TOMCAT9-11481869
  • published5 Aug 2025
  • disclosed10 Jul 2025

Introduced: 10 Jul 2025

NewCVE-2025-52520  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 tomcat9 to version 1:9.0.107-1.amzn2023.0.1 or higher.
This issue was patched in ALAS2023-2025-1094.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat9 package and not the tomcat9 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

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.

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

CVSS Base Scores

version 3.1