CVE-2022-43919 IBM MQ denial of service

Medium 5.3 Published 5 May 2023 Updated 29 Jan 2025

An authenticated attacker with message crafting authorization can cause a denial of service in IBM MQ.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2022-43919?

CVE-2022-43919 is a medium-severity denial of service vulnerability in IBM MQ, published on 5 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM MQ 9.2 CD, 9.2 LTS, 9.3 CD, and 9.3 LTS could allow an authenticated attacker with authorization to craft messages to cause a denial of service. IBM X-Force ID: 241354.

Weakness: CWE-20

Which versions are affected by CVE-2022-43919?

It affects 1 product.

Products include Ibm Mq Appliance.

How do I fix CVE-2022-43919?

No fix has been published for CVE-2022-43919 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-2022-43919 being exploited?

There is no known exploitation of CVE-2022-43919 in the wild and no public exploit code.

Sources

Also known as GHSA-38hg-964r-m8jj.