CVE-2020-11996 Affecting tomcat-el-3_0-api package, versions <9.0.36-3.60.1



    Attack Complexity Low
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7.5 high
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5.3 medium
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Red Hat
7.5 high

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  • Snyk ID SNYK-SLES150-TOMCATEL30API-2708131
  • published 14 Apr 2022
  • disclosed 3 Jul 2020

How to fix?

Upgrade SLES:15.0 tomcat-el-3_0-api to version 9.0.36-3.60.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-el-3_0-api package and not the tomcat-el-3_0-api package as distributed by SLES:15.0. See How to fix? for SLES:15.0 relevant fixed versions and status.

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.