imPC@ndo IT

Tracker / CVE-2020-11996

CVE-2020-11996

High 7.5

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 products and versions

apache tomcat
apache tomcat · 8.5.0 → 8.5.55
apache tomcat · 9.0.0 → 9.0.35
canonical ubuntu_linux
debian debian_linux
netapp oncommand_system_manager
opensuse leap
oracle mysql_enterprise_monitor · … → 8.0.21
oracle siebel_ui_framework · … → 20.12
oracle workload_manager

Analysis

This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.

References