CVE-2023-22874 IBM MQ denial of service

Medium 5.5 Published 5 May 2023 Updated 29 Jan 2025

Attackers can cause a denial of service in IBM MQ by exploiting a vulnerability in configuration file processing.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: None listed

What is CVE-2023-22874?

CVE-2023-22874 is a medium-severity denial of service vulnerability in IBM MQ, published on 5 May 2023. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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.

Weakness: CWE-400

Which versions are affected by CVE-2023-22874?

It affects 1 product.

Products include Ibm Mq Appliance.

How do I fix CVE-2023-22874?

No fix has been published for CVE-2023-22874 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2023-22874 being exploited?

There is no known exploitation of CVE-2023-22874 in the wild and no public exploit code.

Sources

Also known as GHSA-5mm8-xqjw-537m.