Advisory [CVE-2026-75880] Apache Artemis: 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 security Apache Software Foundation advisory covers CVE-2026-75880 affecting Apache Artemis.
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Summary
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.
- 2.50.0 through 2.56.0
- 1.0.0 through 2.44.0.
- through 2.44.0
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
- 2.57.0
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Users are recommended to upgrade to version 2.57.0, which fixes this issue.
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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