CVE-2017-5650

In Apache Tomcat 9.0.0.M1 to 9.0.0.M18 and 8.5.0 to 8.5.12, the handling of
an HTTP/2 GOAWAY frame for a connection did not close streams associated
with that connection that were currently waiting for a WINDOW_UPDATE before
allowing the application to write more data. These waiting streams each
consumed a thread. A malicious client could therefore construct a series of
HTTP/2 requests that would consume all available processing threads.

Bugs

• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=802312&gt;
• <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=860070&gt;