CVE-2019-10072
High
Description
The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection window exhaustion on write in Apache Tomcat versions 9.0.0.M1 to 9.0.19 and 8.5.0 to 8.5.40 . By not sending WINDOW_UPDATE messages for the connection window (stream 0) clients were able to cause server-side threads to block eventually leading to thread exhaustion and a DoS.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Apache Tomcat
PublishedJun 21, 2019
First seenJun 21, 2019
How to fix
Update
- org.apache.tomcat.embed:tomcat-embed-core9.0.20, 8.5.41 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| apache tomcat | 8.5.0 ≤ v ≤ 8.5.40, 9.0.1 ≤ v ≤ 9.0.19, 9.0.0 | — |
| org.apache.tomcat.embed:tomcat-embed-coreMaven | 9.0.0.M1 ≤ v < 9.0.20, 8.5.0 ≤ v < 8.5.41 | 9.0.20, 8.5.41 |
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