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osvGoogleOSV:GHSA-9785-W233-X6HV
HistoryMay 13, 2022 - 1:46 a.m.

Improper Resource Shutdown or Release in Apache Tomcat

2022-05-1301:46:13
Google
osv.dev
17
apache tomcat
http/2
goaway
processing threads

EPSS

0.833

Percentile

98.5%

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.

References