CVE-2025-52434

Apache Tomcat: APR/Native Connector crash leading to DoS

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. Users are recommended to upgrade to version 9.0.107, which fixes the issue.

Category

7.5
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache Tomcat
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/gxgh65004f25y8519coth6w7vchww030 vendor advisory

Frequently Asked Questions

What is the severity of CVE-2025-52434?
CVE-2025-52434 has been scored as a high severity vulnerability.
How to fix CVE-2025-52434?
To fix CVE-2025-52434, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-52434 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-52434 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-52434?
CVE-2025-52434 affects Apache Software Foundation Apache Tomcat.
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