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.
Severity
High 7.5
Published
13 Aug 2025
Last changed
17 Jun 2026
Added to UpHeron
21 Oct 2026
Fixed in
9.0.108, 10.1.44, 11.0.10
Sources
NVD
Affected software
Software
Affected versions
Apache TomcatServers and applications · cpe:a:apache:tomcat