#VU20992 Resource management error in Apache Tomcat

Published: 2019-09-10 | Updated: 2020-01-20

Vulnerability identifier: #VU20992

Vulnerability risk: Medium


CVE-ID: CVE-2019-10072


Exploitation vector: Network

Exploit availability:

Vulnerable software:
Apache Tomcat
Server applications / Web servers

Vendor: Apache Foundation


The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to incomplete fix for SB2019020812 when processing HTTP/2 requests. A remote attacker can perform denial of service attack by not sending WINDOW_UPDATE messages for the connection window (stream 0).

Install updates from vendor's website.

Vulnerable software versions

Apache Tomcat: 9.0.0 - 9.0.19, 8.5.0 - 8.5.39

Fixed software versions


External links

Q & A

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Is there known malware, which exploits this vulnerability?

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