What is GHSA-c9m2-388v-p4rq?

GHSA-c9m2-388v-p4rq is a security advisory published by GitHub Security Advisories with unknown severity. An authenticated client could attach a consumer with a selector containing crafted wildcard usage...

Which CVE IDs does GHSA-c9m2-388v-p4rq cover?

GHSA-c9m2-388v-p4rq covers the following CVE IDs: CVE-2026-75880. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

GHSA-c9m2-388v-p4rqunknown

An authenticated client could attach a consumer with a selector containing crafted wildcard usage...

Vendor

GitHub Security Advisories

Published

September 10, 2026

Last Modified

September 10, 2026

🔗 CVE IDs covered (1)

CVE-2026-75880 →

📋 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.

🔗 References (4)

https://nvd.nist.gov/vuln/detail/CVE-2026-75880
https://lists.apache.org/thread/db34g9qoxd8p08086cr95683fkb8wm5r
http://www.openwall.com/lists/oss-security/2026/09/10/7
https://github.com/advisories/GHSA-c9m2-388v-p4rq