CVE-2025-48989

Apache Tomcat: h2 DoS - Made You Reset

State: Published
Severity: 7.5 High
Published: Aug 13, 2025
Updated: May 12, 2026
Reserved: May 29, 2025

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	CISA-ADP

Weaknesses

CWE-404 Improper Resource Shutdown or Release

Affected Products

Product	Versions
Apache TomcatApache Software Foundation	11.0.0-M1 through 11.0.9Affected 10.1.0-M1 through 10.1.43Affected 9.0.0.M1 through 9.0.107Affected 8.5.0 through 8.5.100Unknown 10.0.0-M1 through 10.0.27Unknown

References

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