CVE-2025-23225 IBM MQ denial of service

What is CVE-2025-23225?

CVE-2025-23225 is a medium-severity denial of service vulnerability in IBM MQ, published on 28 Feb 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM MQ 9.3 LTS, 9.3 CD, 9.4 LTS, and 9.4 CD could allow an authenticated user to cause a denial of service due to the improper handling of invalid headers sent to the queue.

Weakness: CWE-230

Which versions are affected by CVE-2025-23225?

It affects 1 product.

Products include Ibm Mq Appliance.

How do I fix CVE-2025-23225?

No fix has been published for CVE-2025-23225 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-2025-23225 being exploited?

There is no known exploitation of CVE-2025-23225 in the wild and no public exploit code.

Other vulnerabilities in IBM MQ

• CVE-2025-0975 IBM MQ code execution High 8.8
• CVE-2017-1318 Command injection in MQ Appliance High 8.8
• CVE-2019-4620 Security feature bypass in MQ Appliance High 8.4
• CVE-2021-38967 Code injection in MQ Appliance High 8.2
• CVE-2024-25048 IBM MQ code execution High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-pmc9-q57x-xf3v.