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.
Published: 2026-09-10
Score: n/a
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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History

Thu, 10 Sep 2026 05:00:00 +0000

Type Values Removed Values Added
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.
Title Apache Artemis, Apache ActiveMQ Artemis: Message selector wildcard handling could lead to denial of service
Weaknesses CWE-1333
References

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-09-10T05:12:01.308Z

Reserved: 2026-08-18T12:59:58.950Z

Link: CVE-2026-75880

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-10T05:17:01.673

Modified: 2026-09-10T05:17:01.673

Link: CVE-2026-75880

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-1333

    Inefficient Regular Expression Complexity