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CVE-2025-52434 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') vulnerability in Apache…

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.

Affected products and versions

Product Affected versions Fixed in
Apache Tomcat 10.0 10.0.0-M1 → 10.0.27 No fix stated
Apache Tomcat 9.0 9.0.0.M1 → 9.0.106 No fix stated
Apache Tomcat 8.5 8.5.0 → 8.5.100 No fix stated
Apache Tomcat 5 5 → < 8.5.0 8.5.0

References

Timeline

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