Race Condition Vulnerability in Apache Tomcat APR/Native Connector
CVE-2025-52434

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Tomcat
Vendor
CVE Published:
10 July 2025

What is CVE-2025-52434?

The Apache Tomcat APR/Native connector experiences a race condition vulnerability that arises from improper synchronization when executing concurrent processes. This vulnerability is particularly evident during client-initiated closure of HTTP/2 connections, potentially allowing unintended access and resource conflicts. Users are strongly advised to update to version 9.0.107 or later, which resolves this issue effectively.

Affected Version(s)

Apache Tomcat 9.0.0.M1 <= 9.0.106

References

https://lists.apache.org/thread/gxgh65004f25y8519coth6w7v...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Nacl
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CVE-2025-52434 : Race Condition Vulnerability in Apache Tomcat APR/Native Connector