IBM MQ for HPE NonStop 8.1.0 through 8.1.0.40 could allow an authenticated attacker to cause a denial of service or potentially escalate privileges due to an integer overflow in MQINQ request validation.
IBM MQ V8.1 for HPE NonStop 8.1.0.40IT49923 Upgrade to CSU 8.1.0.41 https://www.ibm.com/support/fixcentral/swg/selectFixes
IBM strongly recommends addressing this vulnerability now by installing CSU 8.1.0.41.