CVE-2025-52434

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.

PUBLISHED Reserved 2025-06-16 | Published 2025-07-10 | Updated 2025-11-04 | Assigner apache

Problem types

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

Product status

Credits

Nacl finder

12SqweR finder

WHOAMI finder

yyzmoon finder

References

lists.debian.org/debian-lts-announce/2025/07/msg00009.html

www.openwall.com/lists/oss-security/2025/07/10/11

lists.apache.org/thread/gxgh65004f25y8519coth6w7vchww030 vendor-advisory

cve.org (CVE-2025-52434)

nvd.nist.gov (CVE-2025-52434)

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