CVE-2019-10072
tomcat9 - security update
7.5
HIGH
CVSS 3.1
EPSS 71.3%
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.
How to fix CVE-2019-10072
To remediate CVE-2019-10072, upgrade the affected package to a fixed version below.
- —upgrade to 9.0.22-1 or later
- —upgrade to 9.0.31-1~deb10u1 or later
- —upgrade to 9.0.20 or later
Is CVE-2019-10072 being exploited?
Likely — EPSS is 71.3%, placing CVE-2019-10072 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (3)
- from 0, < 9.0.22-1
- from 0, < 9.0.31-1~deb10u1
- >= 9.0.0.M1, < 9.0.20
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |