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CVE-2020-11996 Affecting tomcat-lib package, versions <9.0.36-3.60.1

0.0
medium

Snyk CVSS

    Attack Complexity Low

    Threat Intelligence

    EPSS 0.17% (54th percentile)
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NVD
7.5 high
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SUSE
5.3 medium
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Red Hat
7.5 high

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  • Snyk ID SNYK-SLES150-TOMCATLIB-2707520
  • published 14 Apr 2022
  • disclosed 3 Jul 2020
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Introduced: 3 Jul 2020

CVE-2020-11996 Open this link in a new tab

How to fix?

Upgrade SLES:15.0 tomcat-lib to version 9.0.36-3.60.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream tomcat-lib package and not the tomcat-lib package as distributed by SLES. 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.

References