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
Affected Vendors & Products
References
History
Tue, 29 Sep 2026 13:15:00 +0000
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Redhat
Redhat hummingbird |
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| CPEs | cpe:/a:redhat:hummingbird:1 | |
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Redhat
Redhat hummingbird |
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| References |
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| Metrics |
threat_severity
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threat_severity
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Wed, 23 Sep 2026 19:30:00 +0000
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Wed, 23 Sep 2026 16:30:00 +0000
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cvssV3_1
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Wed, 23 Sep 2026 14:00:00 +0000
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Apache
Apache tomcat |
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Apache
Apache tomcat |
Wed, 23 Sep 2026 11:45:00 +0000
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| 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. | |
| Title | Apache Tomcat: AJP DoS via missing request body | |
| Weaknesses | CWE-770 | |
| References |
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Status: PUBLISHED
Assigner: apache
Published: 2026-09-23T11:23:15.477Z
Updated: 2026-09-23T18:10:45.708Z
Reserved: 2026-08-24T13:38:58.809Z
Link: CVE-2026-78383
Updated: 2026-09-23T18:10:45.708Z
Status : Awaiting Analysis
Published: 2026-09-23T12:17:07.213
Modified: 2026-09-23T19:19:21.470
Link: CVE-2026-78383