vulnerability
Apache Tomcat: Important: Denial of Service (CVE-2023-44487)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Oct 11, 2023 | Oct 11, 2023 | Mar 27, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Oct 11, 2023
Added
Oct 11, 2023
Modified
Mar 27, 2026
Description
The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many streams quickly, as exploited in the wild in August through October 2023.
Solutions
apache-tomcat-upgrade-10_1_14apache-tomcat-upgrade-8_5_94apache-tomcat-upgrade-9_0_81
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.