CVE-2025-52434
HIGHApache Tomcat 9.0.0-9.0.106 - Race Condition in APR/Native Connector
Title source: llmDescription
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.
References (3)
Core 3
Core References
Issue Tracking, Mailing List, Vendor Advisory vendor-advisory
https://lists.apache.org/thread/gxgh65004f25y8519coth6w7vchww030
Scores
CVSS v3
7.5
EPSS
0.0120
EPSS Percentile
79.2%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
yes
Technical Impact
partial
Details
CWE
CWE-362
Status
published
Products (2)
apache/tomcat
9.0.0 - 9.0.107
org.apache.tomcat/tomcat-util
9.0.0.M1 - 9.0.107Maven
Published
Jul 10, 2025
Tracked Since
Feb 18, 2026