CVE-2026-75880

An authenticated client could attach a consumer with a selector containing crafted wildcard usage that results in excessive evaluation during message delivery attempts, occupying a shared broker thread and leading to denial of service. This issue affects Apache Artemis: from 2.50.0 through 2.56.0; Apache ActiveMQ Artemis: from 1.0.0 through 2.44.0. Users are recommended to upgrade to version 2.57.0, which fixes this issue.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://lists.apache.org/thread/db34g9qoxd8p08086cr95683fkb8wm5r	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/09/10/7	Mailing List Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:apache:artemis::::::::
	cpe:2.3:a:apache:artemis::::::::

History

No history.

Information

Published : 2026-09-10 05:17

Updated : 2026-09-16 01:10

NVD link : CVE-2026-75880

Mitre link : CVE-2026-75880

CVE.ORG link : CVE-2026-75880

JSON object : View

Products Affected

apache

artemis

CWE

CWE-1333

Inefficient Regular Expression Complexity

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