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CVE-2025-52434GHSA-4J3C-42XV-3F84BIT-TOMCAT-2025-52434

Apache Tomcat: APR/Native Connector crash leading to DoS

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 9.0.107
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • Apache Software Foundation Apache Tomcat

    From 9.0.0.M1 · through 9.0.106; From 8.5.0 · through 8.5.100

  • org.apache.tomcat:tomcat-coyoteMaven

    From 9.0.0.M1 · fixed in 9.0.107

  • org.apache.tomcat:tomcat-coyoteMaven

    From 8.5.0 · through 8.5.100

  • org.apache.tomcat.embed:tomcat-embed-coreMaven

    From 9.0.0.M1 · fixed in 9.0.107

  • org.apache.tomcat.embed:tomcat-embed-coreMaven

    From 8.5.0 · through 8.5.100

References 1

lists.apache.org