CVE-2025-52434

Summary

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 Software

VendorProductVersion RangeStatus
Apache Software FoundationApache Tomcat9.0.0.M1 <= 9.0.106affected
Apache Software FoundationApache Tomcat8.5.0 <= 8.5.100affected
Apache Software FoundationApache Tomcat5 < 8.5.0unknown
Apache Software FoundationApache Tomcat10.0.0-M1 <= 10.0.27unknown

Weaknesses

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

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: yes
    • Technical Impact: partial

CVE Program Container

Additional References

References