CVE-2024-40680 IBM MQ denial of service

Medium 5.5 Published 7 Sep 2024 Updated 31 Oct 2024

A local user can cause a denial of service in IBM MQ by triggering a segmentation fault through improper memory allocation.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-40680?

CVE-2024-40680 is a medium-severity denial of service vulnerability in IBM MQ, published on 7 Sep 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

IBM MQ 9.3 CD and 9.4 LTS/CD could allow a local user to cause a denial of service due to improper memory allocation causing a segmentation fault.

Weakness: CWE-770, CWE-789

Which versions are affected by CVE-2024-40680?

It affects 1 product.

Products include Ibm Mq Operator.

How do I fix CVE-2024-40680?

No fix has been published for CVE-2024-40680 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-2024-40680 being exploited?

There is no known exploitation of CVE-2024-40680 in the wild and no public exploit code.

Sources

Also known as GHSA-24xq-67qf-j3xr.