IBM AIX 430 does not properly unlock IPPMTU_LOCK, which allows remote attackers to cause a denial of service (hang) via Path Maximum Transmit Unit (PMTU) IP packets.

IBM DB2 7.0 allows a remote attacker to cause a denial of service (crash) via a single byte to (1) db2ccs.exe on port 6790, or (2) db2jds.exe on port 6789.

Hursley Software Laboratories Consumer Transaction Framework (HSLCTF) HTTP object allows remote attackers to cause a denial of service (crash) via an extremely long HTTP request.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to denial of service with a specially crafted query on certain databases. IBM X-Force ID: 253440.

IBM Security Access Manager Container (IBM Security Verify Access Appliance 10.0.0.0 through 10.0.6.1 and IBM Security Verify Access Docker 10.0.0.0 through 10.0.6.1) could allow an attacker to cause a denial of service due to uncontrolled resource consumption. IBM X-Force ID: 254651.

IBM Security Access Manager Container (IBM Security Verify Access Appliance 10.0.0.0 through 10.0.6.1 and IBM Security Verify Access Docker 10.0.0.0 through 10.0.6.1) is vulnerable to a denial of service attacks on the DSC server. IBM X-Force ID: 254776.

The web administration interface for IBM AS/400 Firewall allows remote attackers to cause a denial of service via an empty GET request.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to denial of service with a specially crafted query. IBM X-Force ID: 253439.

OS2/Warp 4.5 FTP server allows remote attackers to cause a denial of service via a long username.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to denial of service with a specially crafted query on certain tables. IBM X-Force ID: 253361 .

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 federated server is vulnerable to a denial of service as the server may crash when using a specially crafted wrapper using certain options. IBM X-Force ID: 253202.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1, and 11.5 is vulnerable to a denial of service through a specially crafted federated query on specific federation objects. IBM X-Force ID: 252048.

IBM Watson CP4D Data Stores 4.6.0 does not properly allocate resources without limits or throttling which could allow a remote attacker with information specific to the system to cause a denial of service. IBM X-Force ID: 248924.

IBM MQ 9.2 CD, 9.2 LTS, 9.3 CD, and 9.3 LTS could allow a remote attacker to cause a denial of service due to an error processing invalid data. IBM X-Force ID: 248418.

Buffer overflow in the TCP/IP listener in IBM DB2 Universal Database (UDB) before 8.1 FixPak 12 allows remote attackers to cause a denial of service (application crash) via a long MGRLVLLS message inside of an EXCSAT message when establishing a connection.

IBM Security Guardium Key Lifecycle Manager 3.0, 3.0.1, 4.0, 4.1, and 4.1.1 could allow an attacker to upload files that could be used in a denial of service attack due to incorrect authorization. IBM X-Force ID: 247629.

Lotus Domino Web Server (nhttp.exe) before 6.0.1 allows remote attackers to cause a denial of service via a "Fictionary Value Field POST request" as demonstrated using the s_Validation form with a long, unknown parameter name.

IBM InfoSphere Data Replication VSAM for z/OS Remote Source 11.4 could allow a remote user to cause a denial of service by sending an invalid HTTP request to the log reading service.

Engenio/LSI Logic storage controllers, as used in products such as Storagetek D280, and IBM DS4100 (formerly FastT 100) and Brocade SilkWorm Switches, allow remote attackers to cause a denial of service (freeze and possible data corruption) via crafted TCP packets.

IBM Db2 for Linux, UNIX and Windows 12.1.0 and 12.1.1 is vulnerable to a denial of service as the server may crash under certain conditions with a specially crafted query.

IBM Tivoli Directory Server 6.0 allows remote attackers to cause a denial of service (crash) via a crafted LDAP request, as demonstrated by test 2532 in the ProtoVer Sample LDAP test suite.

AIX SNMP server snmpd allows remote attackers to cause a denial of service via a RST during the TCP connection.

IBM Websphere/NetCommerce3 3.1.2 allows remote attackers to cause a denial of service by directly calling the macro.d2w macro with a long string of %0a characters.

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.

Buffer overflow in Lotus Notes LDAP (NLDAP) allows an attacker to conduct a denial of service through the ldap_search request.

IBM Watson Speech Services Cartridge for IBM Cloud Pak for Data 4.0.0 through 5.0.2 does not properly check inputs to resources that are used concurrently, which might lead to unexpected states, possibly resulting in a crash.

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.

Lotus Domino server 5.0.9a and earlier allows remote attackers to cause a denial of service by exhausting the number of working threads via a large number of HTTP requests for (1) an MS-DOS device name and (2) an MS-DOS device name with a large number of characters appended to the device name.

IBM UniVerse with UV/ODBC allows attackers to cause a denial of service (client crash or server CPU consumption) via a query with an invalid link between tables, possibly via a buffer overflow.

The LCF component (lcfd) in IBM Tivoli Management Framework Endpoint allows remote attackers to cause a denial of service (process exit and connection loss) by connecting to LCF and ending the connection without sending any data.

IBM Security Verify Directory 10.0 through 10.0.3 is vulnerable to a denial of service when sending an LDAP extended operation.

IBM Safer Payments 6.4.0.00 through 6.4.2.07, 6.5.0.00 through 6.5.0.05, and 6.6.0.00 through 6.6.0.03 could allow a remote attacker to cause a denial of service due to improper allocation of resources.

Format string vulnerability in Lotus Domino 6.0.x before 6.0.5 and 6.5.x before 6.5.4 allows remote attackers to cause a denial of service via the Notes protocol (NRPC).

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 Security Verify Access OIDC Provider could allow a remote user to cause a denial of service due to uncontrolled resource consumption. IBM X-Force ID: 238921.

IBM Db2 for Linux, UNIX and Windows 11.1 and 11.5 may be vulnerable to a Denial of Service when executing a specially crafted 'Load' command. IBM X-Force ID: 241676.

Lotus Domino Web Server (nhttp.exe) before 6.0.1 allows remote attackers to cause a denial of service via an incomplete POST request, as demonstrated using the h_PageUI form.

IBM TXSeries for Multiplatforms 10.1 could allow a remote attacker to cause a denial of service using persistent connections due to improper allocation of resources.

IBM TXSeries for Multiplatforms 10.1 is vulnerable to a denial of service, caused by improper enforcement of the timeout on individual read operations. By conducting a slowloris-type attacks, a remote attacker could exploit this vulnerability to cause a denial of service.

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by sending a specially-crafted request. A remote attacker could exploit this vulnerability to cause the server to consume all available memory. IBM X-Force ID: 172125.

Buffer overflow in KDSMAIN in the Basic Services component in IBM Tivoli Monitoring (ITM) 6.2.0 through FP3, 6.2.1 through FP4, 6.2.2 through FP9, and 6.2.3 before FP3, as used in IBM Application Manager for Smart Business (formerly Tivoli Foundations Application Manager) 1.2.1 before 1.2.1.0-TIV-IAMSB-FP0004 and other products, allows remote attackers to cause a denial of service (segmentation fault) via a crafted http URL.

IBM HACMP 4.4 allows remote attackers to cause a denial of service via a completed TCP connection to HACMP ports (e.g., using a port scan) that does not send additional data, which causes a failure in snmpd.

IBM MQ for HPE NonStop 8.1.0 is vulnerable to a denial of service attack due to an error within the CCDT and channel synchronization logic. IBM X-Force ID: 235727.

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.1 and 11.5 is vulnerable to a denial of service as the server may crash when compiling a specially crafted SQL query using a LIMIT clause. IBM X-Force ID: 247864.

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.

An attacker can write to syslog files from any location, causing a denial of service by filling up the logs, and hiding activities.

inetd in AIX 4.1.5 dynamically assigns a port N when starting ttdbserver (ToolTalk server), but also inadvertently listens on port N-1 without passing control to ttdbserver, which allows remote attackers to cause a denial of service via a large number of connections to port N-1, which are not properly closed by inetd.

IBM WebSphere Commerce 7.0 and 8.0 contains an unspecified vulnerability in Marketing ESpot's that could cause a denial of service. IBM X-Force ID: 131779.

IBM Sterling Partner Engagement Manager 6.1, 6.2, and Cloud 22.2 do not limit the length of a connection which could cause the server to become unresponsive. IBM X-Force ID: 230932.

IBM Security Directory Suite VA 8.0.1 could allow an attacker to cause a denial of service due to uncontrolled resource consumption. IBM X-Force ID: 228588.