Inefficient Regular Expression Complexity Affecting artemis-selector package, versions *


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.65% (50th percentile)

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  • Snyk IDSNYK-RHEL9-ARTEMISSELECTOR-22103868
  • published31 Oct 2026
  • disclosed10 Sept 2026

Introduced: 10 Sep 2026

CVE-2026-75880  (opens in a new tab)
CWE-1333  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:9 artemis-selector.

NVD Description

Note: Versions mentioned in the description apply only to the upstream artemis-selector package and not the artemis-selector package as distributed by RHEL. See How to fix? for RHEL:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1