CVE-2025-52434
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.
How to fix
- apache tomcat9.0.107 or later
- org.apache.tomcat:tomcat-coyote9.0.107 or later
- org.apache.tomcat.embed:tomcat-embed-core9.0.107 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache tomcat | 9.0.0 ≤ v < 9.0.107 | 9.0.107 |
| org.apache.tomcat:tomcat-coyoteMaven | 9.0.0.M1 ≤ v < 9.0.107, 8.5.0 ≤ v ≤ 8.5.100 | 9.0.107 |
| org.apache.tomcat.embed:tomcat-embed-coreMaven | 9.0.0.M1 ≤ v < 9.0.107, 8.5.0 ≤ v ≤ 8.5.100 | 9.0.107 |
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