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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.