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CVE-2026-75880 Details

Description

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: CISA-ADPCVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://www.openwall.com/lists/oss-security/2026/09/10/7	CVE	Mailing ListThird Party Advisory
https://lists.apache.org/thread/db34g9qoxd8p08086cr95683fkb8wm5r	[email protected]	Mailing ListVendor Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-1333	Inefficient Regular Expression Complexity	[email protected]

Affected Products

Product	Versions
apache artemis	>= 1.0.0, < 2.44.0 >= 2.50.0, < 2.57.0
CPE cpe:2.3:a:apache:artemis:::::::: Remediation No remediation found in references.

Change History

5 change records found show changes

Date	Action	Recorded By
Sep 18, 2026	CVE Modified	[email protected]
Sep 16, 2026	Initial Analysis	[email protected]
Sep 10, 2026	CVE Modified	CISA-ADP
Sep 10, 2026	CVE Modified	CVE
Sep 10, 2026	New CVE Received	[email protected]