CVE-2025-52434

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.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/gxgh65004f25y8519coth6w7vchww030	Issue Tracking Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2025/07/10/11
https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:apache:tomcat:*:*:*:*:*:*:*:*

History

04 Nov 2025, 22:16

Type	Values Removed	Values Added
References		() http://www.openwall.com/lists/oss-security/2025/07/10/11 - () https://lists.debian.org/debian-lts-announce/2025/07/msg00009.html -

Information

Published : 2025-07-10 19:15

Updated : 2025-11-04 22:16

NVD link : CVE-2025-52434

Mitre link : CVE-2025-52434

CVE.ORG link : CVE-2025-52434

JSON object : View

Products Affected

apache

tomcat

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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