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CVE-2025-52434

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CVE-2025-52434

Published: Jul 10, 2025

Modified: Nov 4, 2025

PUBLISHED

Description

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. 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 9.0.107, which fixes the issue.

VendorProductVersions

Apache Software Foundation

Apache Tomcat

affected
9.0.0.M1 - <= 9.0.106
affected
8.5.0 - <= 8.5.100
unknown
5 - < 8.5.0
unknown
10.0.0-M1 - <= 10.0.27

Weaknesses (CWE)

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