IBM MQ is vulnerable to denial of service. The vulnerability exists due to a lack of sanitization of the TLS key renegotiation function.
www.securityfocus.com/bid/108027
www.securityfocus.com/bid/108027
exchange.xforce.ibmcloud.com/vulnerabilities/156564
www.ibm.com/support/docview.wss?uid=ibm10870484
www.ibm.com/support/docview.wss?uid=ibm10870484
www.ibm.com/support/pages/security-bulletin-ibm-mq-and-ibm-mq-appliance-are-vulnerable-denial-service-attack-within-tls-key-renegotiation-functions-cve-2019-4055