Feed/CVE-2025-52434
CVE-2025-52434MEDIUMCVSS 7.5

Apache Tomcat is vulnerable to resource exhaustion when using the APR/Native connector

Published Jul 10, 2025·Updated Jul 1, 2026

NVD 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 Packages (2)

org.apache.tomcat:tomcat-coyoteMAVEN
From 9.0.0.M1
Fixed in 9.0.107
org.apache.tomcat.embed:tomcat-embed-coreMAVEN
From 9.0.0.M1
Fixed in 9.0.107

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

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