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Apache Tomcat Uncontrolled Resource Consumption Vulnerability - CVE-2019-0199 - Vulnerability Database
Apache Tomcat

Apache Tomcat Uncontrolled Resource Consumption Vulnerability - CVE-2019-0199

High
Reference: CVE-2019-0199
NVD Link: https://nvd.nist.gov/vuln/detail/CVE-2019-0199
Title: Apache Tomcat Uncontrolled Resource Consumption Vulnerability
Overview:

The HTTP/2 implementation in Apache Tomcat 9.0.0.M1 to 9.0.14 and 8.5.0 to 8.5.37 accepted streams with excessive numbers of SETTINGS frames and also permitted clients to keep streams open without reading/writing request/response data. By keeping streams open for requests that utilised the Servlet API39s blocking I/O clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.