vulnerability
Red Hat: CVE-2025-52434: tomcat: Apache Tomcat denial of service (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:L/Au:N/C:N/I:N/A:P) | Jul 10, 2025 | Jul 14, 2025 | Jan 28, 2026 |
Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Jul 10, 2025
Added
Jul 14, 2025
Modified
Jan 28, 2026
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.
Solutions
no-fix-redhat-rpm-packageredhat-upgrade-tomcatredhat-upgrade-tomcat-admin-webappsredhat-upgrade-tomcat-docs-webappredhat-upgrade-tomcat-el-3-0-apiredhat-upgrade-tomcat-jsp-2-3-apiredhat-upgrade-tomcat-libredhat-upgrade-tomcat-servlet-4-0-apiredhat-upgrade-tomcat-webapps
NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.