SARA / Free Tools / CVE / CVE-2019-10072

CVE-2019-10072 — The fix for CVE-2019-0199 was incomplete and did not address HTTP/2 connection w

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 serve

CVSS
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EPSS
72.14% (top 1.30%)
CWE
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Published
2019-06-21T17:56:42.000Z
Last modified
2024-08-04T22:10:09.192Z
CVSS vector
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01What is this vulnerability?

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.

02Affected products

VendorProductVersions
na / Apache TomcatApache Tomcat 9.0.0.M1 to 9.0.19, 8.5.0 to 8.5.40

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

CVE-2019-0199
Cited in vendor advisory

08Timeline

09References

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