Heap-based buffer overflow in IBM WebSphere MQ 6.0 before 6.0.2.11 and 7.0 before 7.0.1.5 allows remote authenticated users to execute arbitrary code or cause a denial of service (queue manager crash) by inserting an invalid message into the queue.
Unspecified vulnerability in the channel process in IBM WebSphere MQ 7.0 before 7.0.1.2 allows remote authenticated users to cause a denial of service (daemon crash) via "incorrect channel control data."