CVE-2025-48989 - CVE House

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Status published Unknown CVE-2025-48989

Apache Tomcat: h2 DoS - Made You Reset

0 CVSS

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

Gal Bar Nahum, Anat Bremler-Barr, and Yaniv Harel of Tel Aviv University

References

https://lists.apache.org/thread/9ydfg0xr0tchmglcprhxgwhj0hfwxlyf

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Affected Vendor

Apache Software Foundation

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Affected Software

Apache Tomcat

Vulnerable Versions:

11.0.0-M1, 10.1.0-M1, 9.0.0.M1, 8.5.0, 10.0.0-M1

Timeline

Official Publish: August 13th, 2025

Last Modified: May 12th, 2026

Added to House: July 22nd, 2026

CVSS Vectors

No vector data available

Weaknesses (CWE)

MITRE ATT&CK TTPs

T1499 Endpoint Denial of Service

T1498 Network Denial of Service

T1562 Impair Defenses

Defense Evasion

T1190 Exploit Public-Facing Application

T1046 Network Service Discovery