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CVE PROGRAM SOURCE RECORD7.5 High

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. 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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Apache Software Foundation Apache Tomcat

Default version status: unaffected

  • 9.0.0.M1 to ≤ 9.0.106affected
  • 8.5.0 to ≤ 8.5.100affected
  • 5 to < 8.5.0unknown
  • 10.0.0-M1 to ≤ 10.0.27unknown

References