IBM WebSphere MQ 7.0.1 before 7.0.1.13, 7.1 before 7.1.0.6, 7.5 before 7.5.0.5, and 8 before 8.0.0.1 allows remote authenticated users to cause a denial of service (queue-slot exhaustion) by leveraging PCF query privileges for a crafted query.
https://exchange.xforce.ibmcloud.com/vulnerabilities/94842