MEDIUM 6.5 NVD
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 a
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.
References
- https://lists.apache.org/thread/db34g9qoxd8p08086cr95683fkb8wm5r
- http://www.openwall.com/lists/oss-security/2026/09/10/7
- https://www.openwall.com/lists/oss-security/2026/09/10/7
This medium severity vulnerability with a CVSS score of 6.5 was published on 2026-09-10 via NVD.
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