IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS, and 9.3 CD is vulnerable to a denial of service attack caused by an error applying configuration changes. IBM X-Force ID: 290335.
The product allocates memory based on an untrusted, large size value, but it does not ensure that the size is within expected limits, allowing arbitrary amounts of memory to be allocated.