vulnerability
Apache Tomcat: Important: DoS in HTTP/2 due to client triggered stream reset (CVE-2025-48989)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Aug 14, 2025 | Aug 14, 2025 | Apr 23, 2026 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Aug 14, 2025
Added
Aug 14, 2025
Modified
Apr 23, 2026
Description
Improper Resource Shutdown or Release vulnerability in Apache Tomcat made Tomcat vulnerable to the made you reset attack.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.9, from 10.1.0-M1 through 10.1.43 and from 9.0.0.M1 through 9.0.107. Older, EOL versions may also be affected.
Users are recommended to upgrade to one of versions 11.0.10, 10.1.44 or 9.0.108 which fix the issue.
Solutions
apache-tomcat-upgrade-10_1_44apache-tomcat-upgrade-11_0_10apache-tomcat-upgrade-9_0_108
Rapid7 Labs
2026 Global Threat Landscape Report
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