CVE-2017-5650
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apache Tomcat
PublishedApr 17, 2017
First seenApr 17, 2017
How to fix
Update
- org.apache.tomcat:tomcat9.0.0.M19, 8.5.13 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache tomcat | 8.5.0, 8.5.1, 8.5.2, 8.5.3, 8.5.4, 8.5.5, 8.5.6, 8.5.7, 8.5.8, 8.5.9, 8.5.10, 8.5.11, 8.5.12, 9.0.0 | — |
| org.apache.tomcat:tomcatMaven | 9.0.0.M1 ≤ v < 9.0.0.M19, 8.5.0 ≤ v < 8.5.13 | 9.0.0.M19, 8.5.13 |
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