CVE-2025-52434
Public on 2025-07-10
Modified on 2025-07-14
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.
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.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Tomcat9 Extra | tomcat | 2025-08-04 | ALAS2TOMCAT9-2025-021 | Fixed |
| Amazon Linux 2023 | tomcat9 | 2025-08-08 | ALAS2023-2025-1094 | Fixed |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |