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Rewterz Threat Advisory – CVE-2019-10072 – Apache Tomcat WINDOW_UPDATE Denial of Service Vulnerability

Severity

Medium

Analysis Summary

An error related to the connection window when handling WINDOW_UPDATE messages can be exploited to exhaust available server-side threads and subsequently cause a DoS condition.

Impact

Denial of Service

Affected Vendors

Apache Foundation

Affected Products

  • Apache Tomcat versions prior to 8.5.41.
  • Apache Tomcat versions prior to 9.0.20

Remediation

Update to version 9.0.20 or 8.5.41.

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