IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 - 11.5.9 and 12.1.0 - 12.1.3 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query with XML columns.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow a user to cause a denial of service due to insufficient validation of special elements in data query logic.

IBM DB2 High Performance Unload 6.1.0.3, 5.1.0.1, 6.1.0.2, 6.5, 6.5.0.0 IF1, 6.1.0.1, 6.1, and 5.1 could allow an authenticated user to cause the program to crash due to a buffer being overwritten when it is allocated on the stack.

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.1 could allow an authenticated user to cause a denial of service when using Q replication due to the improper allocation of CPU resources.

IBM B2B Advanced Communications 1.0.0.0 and IBM Multi-Enterprise Integration Gateway 1.0.0.1 could allow a user to cause a denial of service due to the deserializing of untrusted serialized Java objects. IBM X-Force ID: 246976.

IBM MQ Operator LTS 2.0.0 through 2.0.29, MQ Operator CD 3.0.0, 3.0.1, 3.1.0 through 3.1.3, 3.3.0, 3.4.0, 3.4.1, 3.5.0, 3.5.1, and MQ Operator SC2 3.2.0 through 3.2.10  Client connecting to a MQ Queue Manager can cause a SIGSEGV in the AMQRMPPA channel process terminating it.

IBM Security Guardium 10.6, 11.3, and 11.4 could allow an authenticated user to cause a denial of service due to due to improper input validation. IBM X-Force ID: 240894.

IBM MQ 9.2 CD, 9.2 LTS, 9.3 CD, and 9.3 LTS is vulnerable to a denial of service attack caused by specially crafted PCF or MQSC messages. IBM X-Force ID: 240832.

IBM MQ 9.2 CD, 9.2 LTS, 9.3 CD, and 9.3 LTS could allow an authenticated attacker with authorization to craft messages to cause a denial of service. IBM X-Force ID: 241354.

IBM Spectrum Scale (5.1.0.0 through 5.1.2.8 and 5.1.3.0 through 5.1.5.1) and IBM Elastic Storage System (6.1.0.0 through 6.1.2.4 and 6.1.3.0 through 6.1.4.1) could allow an authenticated user to cause a denial of service through the GUI using a format string attack. IBM X-Force ID: 239539.

IBM App Connect Enterprise 11.0.0.8 through 11.0.0.19 and 12.0.1.0 through 12.0.5.0 is vulnerable to a buffer overflow. A remote privileged user could overflow a buffer and cause the application to crash. IBM X-Force ID: 238538.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 12.1.0 through 12.1.3 could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic with federated objects.

IBM Security Verify Information Queue 10.0.2 could allow an authenticated user to cause a denial of service with a specially crafted HTTP request.

IBM Db2 for Linux, UNIX and Windows 9.7, 10.1, 10.5, 11.1, and 11.5 is vulnerable to a denial of service after entering a malformed SQL statement into the Db2expln tool. IBM X-Force ID: 230823.

IBM Aspera Orchestrator 4.0.0 through 4.1.0 could allow an authenticated user to cause a denial of service in the email service due to improper control of interaction frequency.

IBM Cognos Analytics Mobile Server 11.1.7, 11.2.4, and 12.0.0 is vulnerable to Denial of Service due to due to weak or absence of rate limiting. By making unlimited http requests, it is possible for a single user to exhaust server resources over a period of time making service unavailable for other legitimate users. IBM X-Force ID: 230510.

IBM Sterling Partner Engagement Manager 6.1.2, 6.2.0, and 6.2.1 could allow an authenticated user to exhaust server resources which could lead to a denial of service. IBM X-Force ID: 229705.

IBM Tivoli Netcool Impact 7.1.0.0 through 7.1.0.17 could allow an authenticated user to cause a denial of service due to improper content parsing in the project management module. IBM X-Force ID: 175409.

IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 CD, and 9.1 LTS is vulnerable to a buffer overflow vulnerability due to an error within the channel processing code. A remote attacker could overflow the buffer using an older client and cause a denial of service. IBM X-Force ID: 181562.

IBM Verify Gateway (IVG) 1.0.0 and 1.0.1 could allow an authenticated user to send malformed requests to cause a denial of service against the server. IBM X-Force ID: 179476.

IBM MQ Appliance and IBM MQ AMQP Channels 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD do not correctly block or allow clients based on the certificate distinguished name SSLPEER setting. IBM X-Force ID: 177403.

IBM MQ Appliance 9.2 CD and 9.2 LTS is vulnerable to a denial of service, caused by a buffer overflow. A remote attacker could send a specially crafted SNMP query to cause the appliance to reload. IBM X-Force ID: 190831.

IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow a remote authenticated attacker could cause a denial of service due to an error within the Queue processing function. IBM X-Force ID: 181563.

IBM QRadar 7.2.0 through 7.2.9 could allow an authenticated user to disable the Wincollect service which could aid an attacker in bypassing security mechanisms in future attacks. IBM X-Force ID: 181860.

IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.6 could allow an authenticated user to cause a denial of service during deployment or upgrade if GUI specific services are enabled. IBM X-Force ID: 179162.

IBM MQ 9.1 LTS, 9.2 LTS, and 9.1 CD AMQP Channels could allow an authenticated user to cause a denial of service due to an issue processing messages. IBM X-Force ID: 191747.

The IBM Process Federation Server 18.0.0.1, 18.0.0.2, 19.0.0.1, 19.0.0.2, and 19.0.0.3 Global Teams REST API does not properly shutdown the thread pools that it creates to retrieve Global Teams information from the federated systems. As a consequence, the Java Virtual Machine can't recover the memory used by those thread pools, which leads to an OutOfMemory exception when the Process Federation Server Global Teams REST API is used extensively. IBM X-Force ID: 177596.

IBM QRadar SIEM 7.3 and 7.4 could allow an authenticated user to cause a denial of service of the qflow process by sending a malformed sflow command. IBM X-Force ID: 182366.

IBM MQ, IBM MQ Appliance, IBM MQ for HPE NonStop 8.0.4 and 8.1.0 could allow an attacker to cause a denial of service caused by an error within the pubsub logic. IBM X-Force ID: 179081.

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5 could allow an authenticated attacker to cause a denial of service due to incorrect handling of certain commands. IBM X-Force ID: 174341.

IBM DB2 for Linux, UNIX and Windows (includes DB2 Connect Server) 10.5, 11.1, and 11.5 could allow an authenticated attacker to send specially crafted commands to cause a denial of service. IBM X-Force ID: 174914.

IBM WebSphere Application Server Liberty 17.0.0.3 through 20.0.0.9 running oauth-2.0 or openidConnectServer-1.0 server features is vulnerable to a denial of service attack conducted by an authenticated client. IBM X-Force ID: 184650.

IBM Spectrum Scale for IBM Elastic Storage Server 5.3.0 through 5.3.5 could allow an authenticated user to cause a denial of service during deployment while configuring some of the network services. IBM X-Force ID: 179165.

IBM MQ and MQ Appliance 8.0, 9.1 LTS, and 9.1 CD could allow an authenticated user cause a denial of service due to a memory leak. IBM X-Force ID: 175840.

An improper input validation before calling java readLine() method may impact IBM Curam Social Program Management 7.0.9 and 7.0.10, which could result in a denial of service. IBM X-Force ID: 189159.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5.0.0 through 10.5.0.11, 11.1.0 through 11.1.4.7, 11.5.0 through 11.5.9, and 12.1.0 through 12.1.2 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

The IBM i 7.1, 7.2, 7.3, and 7.4 Extended Dynamic Remote SQL server (EDRSQL) could allow a remote authenticated user to send a specially crafted request and cause a denial of service. IBM X-Force ID: 214537.

IBM PowerVM Hypervisor FW940, FW950, and FW1010 could allow an authenticated user to cause the system to crash using a specially crafted IBMi Hypervisor call. IBM X-Force ID: 210894.

IBM DB2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1 and 11.5 could allow an authenticated user with CONNECT privileges to cause a denial of service using a specially crafted query. IBM X-Force ID: 270750.

IBM Security Guardium 11.3, 11.4, 11.5, and 12.0 could allow an authenticated user to upload files that would cause a denial of service. IBM X-Force ID: 271526.

IBM Storage Ceph 5.3z1, 5.3z5, and 6.1z1 could allow an authenticated user on the network to cause a denial of service from RGW. IBM X-Force ID: 268906.

IBM Db2 for Linux, UNIX and Windows (includes DB2 Connect Server) 11.5 CLI is vulnerable to a denial of service when a specially crafted request is used. IBM X-Force ID: 268073.

In OpenBSD 7.6 before errata 006 and OpenBSD 7.5 before errata 015, traffic sent over wg(4) could result in kernel crash.