What’s Vulnerable › Vulnerabilities

CVE-2023-22874: IBM MQ denial of service

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-05-05 · updated 2026-06-17
Weakness: CWE-400

Description

IBM MQ Clients 9.2 CD, 9.3 CD, and 9.3 LTS are vulnerable to a denial of service attack when processing configuration files. IBM X-Force ID: 244216.

Affected products

IBM MQ Appliance: from 9.2.0.0 before 9.3.2; from 9.3.0.0 before 9.3.0.5 — fixed in 9.3.0.5, 9.3.2

How to fix

Upgrade to a fixed version: IBM MQ Appliance 9.3.0.5, 9.3.2. Check the vendor advisory for mitigations.

References

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