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CVE-2020-11996

Description

A specially crafted sequence of HTTP/2 requests sent to Apache Tomcat 10.0.0-M1 to 10.0.0-M5, 9.0.0.M1 to 9.0.35 and 8.5.0 to 8.5.55 could trigger high CPU usage for several seconds. If a sufficient number of such requests were made on concurrent HTTP/2 connections, the server could become unresponsive. #### Notes Author| Note ---|--- [mdeslaur](<https://launchpad.net/~mdeslaur>) | HTTP/2 support introduced in 8.5


Affected Package


OS OS Version Package Name Package Version
ubuntu upstream tomcat8 any
ubuntu 20.04 tomcat9 9.0.31-1ubuntu0.1
ubuntu upstream tomcat9 9.0.36-1

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