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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.


Affected Software


CPE Name Name Version
apache:tomcat apache tomcat 8.5.55
apache:tomcat apache tomcat 9.0.35
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 9.0.0
apache:tomcat apache tomcat 10.0.0
apache:tomcat apache tomcat 10.0.0
apache:tomcat apache tomcat 10.0.0
apache:tomcat apache tomcat 10.0.0
apache:tomcat apache tomcat 10.0.0
canonical:ubuntu_linux canonical ubuntu linux 20.04
oracle:mysql_enterprise_monitor oracle mysql enterprise monitor 8.0.21
oracle:siebel_ui_framework oracle siebel ui framework 20.12
oracle:workload_manager oracle workload manager 12.2.0.1
oracle:workload_manager oracle workload manager 18c
oracle:workload_manager oracle workload manager 19c
opensuse:leap opensuse leap 15.1
opensuse:leap opensuse leap 15.2
debian:debian_linux debian debian linux 9.0
debian:debian_linux debian debian linux 10.0
netapp:oncommand_system_manager netapp oncommand system manager 3.0
netapp:oncommand_system_manager netapp oncommand system manager 3.1.3

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