7.5

CVE-2026-78383

Medienbericht

Apache Tomcat: AJP DoS via missing request body

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.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerApache Software Foundation
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Produkt Apache Tomcat
Default Statusunaffected
Version <= 11.0.25
Version 11.0.0-M1
Status affected
Version <= 10.1.59
Version 10.1.0-M1
Status affected
Version <= 9.0.121
Version 9.0.0.M1
Status affected
Version <= 8.5.100
Version 8.5.0
Status affected
Version <= 7.0.109
Version 7.0.0
Status affected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.38% 0.288
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
CISA-ADP 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-770 Allocation of Resources Without Limits or Throttling

The product allocates a reusable resource or group of resources on behalf of an actor without imposing any intended restrictions on the size or number of resources that can be allocated.

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VulnDex Intel
Media Report
05.10.2026 17:13
https://lists.apache.org/thread/tyqcqk99g7ghgk22641vf67vghcyswnw
http://www.openwall.com/lists/oss-security/2026/09/23/25