Description
Allocation of resources without limits or throttling vulnerability in Apache Tomcat allows an unauthenticated AJP request to pin an AJP processing thread leading to denial of service.
This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.25, from 10.1.0-M1 through 10.1.59, from 9.0.0.M1 through 9.0.121.
The following versions were EOL at the time the CVE was created but are known to be affected: from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other unsupported versions may also be affected.
Users are recommended to upgrade to version 11.0.26, 10.1.60 or 9.0.122, which fix the issue.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
Source: the vendor's advisory (CNA). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Apache Software Foundation | Apache Tomcat | >= 11.0.0-M1, <= 11.0.25; >= 10.1.0-M1, <= 10.1.59; >= 9.0.0.M1, <= 9.0.121; >= 8.5.0, <= 8.5.100; >= 7.0.0, <= 7.0.109 |
References
Timeline
- Published
- Sep 23, 2026
- Last modified
- Sep 23, 2026
- NVD status
- Awaiting Analysis