IBM MQ and IBM MQ Appliance 9.0, 9.1, 9.2, 9.3 LTS and 9.3 CD could allow a remote unauthenticated attacker to cause a denial of service due to incorrect buffering logic.

IBM MQ 8.0, 9.0 LTS, 9.1 CD, 9.1 LTS, 9.2 CD, and 9.2 LTS could allow an authenticated and authorized user to cause a denial of service to the MQTT channels. IBM X-Force ID: 228335.

IBM MQ 8.0.0, 9.0.0, 9.1.0, 9.2.0, 9.3.0 Managed File Transfer could allow a local user to obtain sensitive information from diagnostic files. IBM X-Force ID: 238206.

IBM MQ 8.0, 9.0, 9.1, 9.2, and 9.3 could disclose sensitive user information from a trace file if that functionality has been enabled. IBM X-Force ID: 251358.

IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS, 9.2 CD, and 9.3 CD and IBM MQ Appliance 9.2 LTS, 9.3 LTS, 9.2 CD, and 9.2 LTS, under certain configurations, is vulnerable to a denial of service attack caused by an error processing messages. IBM X-Force ID: 250397.

IBM MQ 9.2 CD and LTS are vulnerable to a denial of service attack caused by an error processing connecting applications. IBM X-Force ID: 190833.

IBM MQ Appliance 9.2 CD and 9.2 LTS does not invalidate session after logout which could allow an authenticated user to impersonate another user on the system. IBM X-Force ID: 212942.

IBM MQ 8.0, 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.1 CD, and 9.2 CD is vulnerable to a denial of service attack caused by an error processing messages. IBM X-Force ID: 208398.

IBM MQ 9.0 LTS, 9.1 LTS, 9.2 LTS, 9.3 LTS and 9.3 CD, in certain configurations, is vulnerable to a denial of service attack caused by an error processing messages when an API Exit using MQBUFMH is used. IBM X-Force ID: 290259.