Race Condition Affecting tomcat9-jsp-2.3-api package, versions <1:9.0.107-1.amzn2023.0.1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.18% (40th percentile)

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  • Snyk IDSNYK-AMZN2023-TOMCAT9JSP23API-11335949
  • published30 Jul 2025
  • disclosed10 Jul 2025

Introduced: 10 Jul 2025

NewCVE-2025-52434  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 tomcat9-jsp-2.3-api 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-jsp-2.3-api package and not the tomcat9-jsp-2.3-api package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache Tomcat when using the APR/Native connector. This was particularly noticeable with client initiated closes of HTTP/2 connections.

This issue affects Apache Tomcat: from 9.0.0.M1 through 9.0.106.

Users are recommended to upgrade to version 9.0.107, which fixes the issue.

CVSS Base Scores

version 3.1