# CVE-2025-48989: Apache Tomcat: h2 DoS - Made You Reset

> CVE-2025-48989: Apache Tomcat: h2 DoS - Made You Reset. CVSS 7.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2025-48989
Last updated: 2026-06-17T09:30:37Z

- Published: 2025-08-13 12:11 UTC · Updated: 2026-06-17 09:30 UTC · Assigner: apache
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS: 3.7%, 90th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-404

## 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.

## Affected vendors and products

- Apache Software Foundation: Apache Tomcat
- Siemens: SIMATIC CN 4100

## Tracked companies

- [Bitbucket](https://rewindex.com/company/bitbucket.md)
- [Jira](https://rewindex.com/company/jira.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2025-48989)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2025-48989)
- [https://lists.apache.org/thread/9ydfg0xr0tchmglcprhxgwhj0hfwxlyf](https://lists.apache.org/thread/9ydfg0xr0tchmglcprhxgwhj0hfwxlyf)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2025-48989 · Markdown: https://rewindex.com/cve/CVE-2025-48989.md · JSON: https://rewindex.com/api/v1/cves/CVE-2025-48989 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:11:22.764Z