CVE-2025-27365 IBM MQ Operator denial of service
A use-after-free vulnerability in IBM MQ Operator allows a client to crash the channel process, causing denial of service.
- 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-2025-27365?
CVE-2025-27365 is a medium-severity use after free vulnerability in IBM MQ Operator, published on 1 May 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM MQ Operator LTS 2.0.0 through 2.0.29, MQ Operator CD 3.0.0, 3.0.1, 3.1.0 through 3.1.3, 3.3.0, 3.4.0, 3.4.1, 3.5.0, 3.5.1, and MQ Operator SC2 3.2.0 through 3.2.10
Client connecting to a MQ Queue Manager can cause a SIGSEGV in the AMQRMPPA channel process terminating it.
Weakness: CWE-416
Which versions are affected by CVE-2025-27365?
It affects 2 products.
Products include Ibm Mq Operator, Ibm Supplied Mq Advanced Container Images.
How do I fix CVE-2025-27365?
No fix has been published for CVE-2025-27365 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2025-27365 being exploited?
There is no known exploitation of CVE-2025-27365 in the wild and no public exploit code.
Other vulnerabilities in IBM MQ Operator
Sources
Also known as GHSA-cx2v-3m68-m9x4.