CVE-2025-48989Apache Tomcat: h2 DoS - Made You Reset
- 7.5HighCVSS base score
- 3.8%Exploitation in 30 daysEPSS · top 9.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By apache
- 3 months later
· 3 months later
Published
- 9 months later
· 9 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.8% · top 9.9% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
Apache Software Foundation · Apache Tomcat
- affected 11.0.0-M1 – ≤ 11.0.9
- affected 10.1.0-M1 – ≤ 10.1.43
- affected 9.0.0.M1 – ≤ 9.0.107
- unknown 8.5.0 – ≤ 8.5.100
- unknown 10.0.0-M1 – ≤ 10.0.27
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Mavenorg.apache.tomcat.embed:tomcat-embed-coreGHSA-gqp3-2cvr-x8m3 (opens in a new tab)
- Mavenorg.apache.tomcat:tomcat-coyoteGHSA-gqp3-2cvr-x8m3 (opens in a new tab)
References
References4
- https://lists.apache.org/thread/9ydfg0xr0tchmglcprhxgwhj0hfwxlyf (opens in a new tab)vendor-advisory
- https://www.kb.cert.org/vuls/id/767506 (opens in a new tab)
- http://www.openwall.com/lists/oss-security/2025/08/13/2 (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-032379.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-24559 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-gqp3-2cvr-x8m3 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-48989)Record last updated .