IBM Emptoris Strategic Supply Management Platform 10.0.0.x through 10.1.1.x is vulnerable to a denial of service attack. An attacker can exploit a vulnerability in the authentication features that could log out users and flood user accounts with emails. IBM X-Force ID: 118838.

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.

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).

NLSCCSTR.DLL in the web service in IBM Lotus Domino Server 6.5.1, 6.0.3, and possibly other versions allows remote attackers to cause a denial of service (deep recursion and nHTTP.exe process crash) via a long GET request containing UNICODE decimal value 430 characters, which causes the stack to be exhausted. NOTE: IBM has reported that it is unable to replicate this issue.

Unknown vulnerability in Incoming Remote Command (iSeries Access for Windows Remote Command service) in IBM OS/400 R510, R520, and R530 allows attackers to cause a denial of service (IRC shutdown) via certain inputs.

Cisco voice products, when running the IBM Director Agent on IBM servers before OS 2000.2.6, allows remote attackers to cause a denial of service (CPU consumption) via arbitrary packets to TCP port 14247, as demonstrated using port scanning.

Buffer overflow in IBM Lotus Notes 6.5.x before 6.5.3 and 6.0.x before 6.0.5 allows remote attackers to cause a denial of service (crash) via unknown vectors related to Java applets, as identified by KSPR62F4KN.

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.

WebSphere Edge Component Caching Proxy in WebSphere Edge Server 5.02, with the JunctionRewrite directive enabled, allows remote attackers to cause a denial of service via an HTTP GET request without any parameters.

Web Access in Lotus Domino 6.5.1 allows remote attackers to cause a denial of service (server crash) via a large e-mail message, as demonstrated using a large image attachment.

The getipnodebyname() API in AIX 5.1 and 5.2 does not properly close sockets, which allows attackers to cause a denial of service (resource exhaustion).

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.

Buffer overflow in Notes server before Lotus Notes R4, R5 before 5.0.11, and early R6 allows remote attackers to execute arbitrary code via a long distinguished name (DN) during NotesRPC authentication and an outer field length that is less than that of the DN field.

The telnet server in Infoprint 21 running controller software before 1.056007 allows remote attackers to cause a denial of service (crash) via a long username, possibly due to a buffer overflow.

Buffer overflow in Web Retriever client for Lotus Notes/Domino R4.5 through R6 allows remote malicious web servers to cause a denial of service (crash) via a long HTTP status line.

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.

Buffer overflow in Lotus Domino web server before R5.0.10, when logging to DOMLOG.NSF, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long HTTP Authenticate header containing certain non-ASCII characters.

IBM AIX 4.3.3 and AIX 5 allows remote attackers to cause a denial of service (CPU consumption or crash) via a flood of malformed TCP packets without any flags set, which prevents AIX from releasing the associated memory buffers.

IBM SecureWay Firewall before 4.2.2 performs extra processing before determining that a packet is invalid and dropping it, which allows remote attackers to cause a denial of service (resource exhaustion) via a flood of malformed TCP packets without any flags set.

IBM Web Traffic Express Caching Proxy Server 3.6 and 4.x before 4.0.1.26 allows remote attackers to cause a denial of service (crash) via an HTTP request to helpout.exe with a missing HTTP version number, which causes ibmproxy.exe to crash.

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.

Kernel leak in AfpaCache module of the Fast Response Cache Accelerator (FRCA) component of IBM HTTP Server 1.3.x and Websphere 3.52 allows remote attackers to cause a denial of service via a series of malformed HTTP requests that generate a "bad request" error.

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.

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.

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

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/Tivoli OPC Tracker Agent version 2 release 1 allows remote attackers to cause a denial of service (resource exhaustion) via malformed data to the localtracker client port (5011), which prevents the connection from being closed properly.

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

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

Jolt ICMP attack causes a denial of service in Windows 95 and Windows NT systems.

ICMP messages to broadcast addresses are allowed, allowing for a Smurf attack that can cause a denial of service.

Denial of service when an attacker sends many SYN packets to create multiple connections without ever sending an ACK to complete the connection, aka SYN flood.

Oversized ICMP ping packets can result in a denial of service, aka Ping o' Death.

Double free vulnerability in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.35 and 7.x before 7.0.0.15 allows remote backend IIOP servers to cause a denial of service (S0C4 ABEND and storage corruption) by rejecting IIOP requests at opportunistic time instants, as demonstrated by requests associated with an ORB_Request::getACRWorkElementPtr function call.

The SOAP with Attachments API for Java (SAAJ) implementation in the Web Services component in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.37 and 7.x before 7.0.0.15 allows remote attackers to cause a denial of service (memory consumption) via encrypted SOAP messages.

The HTTP Server Adapter in IBM Sterling B2B Integrator 5.1 and 5.2.x and Sterling File Gateway 2.1 and 2.2 allows remote attackers to cause a denial of service (connection-slot exhaustion) via a crafted HTTP request.

Memory leak in the messaging engine in IBM WebSphere Application Server (WAS) before 7.0.0.15 allows remote attackers to cause a denial of service (memory consumption) via network connections associated with a NULL return value from a synchronous JMS receive call.

IBM Maximo Asset Management and Asset Management Essentials 6.2, 7.1, and 7.5; IBM Tivoli Asset Management for IT 6.2, 7.1, and 7.2; IBM Tivoli Service Request Manager 7.1 and 7.2; IBM Maximo Service Desk 6.2; and IBM Tivoli Change and Configuration Management Database (CCMDB) 6.2, 7.1, and 7.2 allow remote attackers to cause a denial of service (memory consumption) by establishing many UI sessions within one HTTP session.

The Session Initiation Protocol (SIP) Proxy in the HTTP Transport component in IBM WebSphere Application Server (WAS) before 7.0.0.15 allows remote attackers to cause a denial of service (worker thread exhaustion and UDP messaging outage) by sending many UDP messages.

Memory leak in com.ibm.ws.jsp.runtime.WASJSPStrBufferImpl in the JavaServer Pages (JSP) component in IBM WebSphere Application Server (WAS) 6.1.0.x before 6.1.0.37 and 7.x before 7.0.0.15 allows remote attackers to cause a denial of service (memory consumption) by sending many JSP requests that trigger large responses.

The Service Integration Bus (SIB) messaging engine in IBM WebSphere Application Server (WAS) before 7.0.0.15 allows remote attackers to cause a denial of service (daemon hang) by performing close operations via network connections to a queue manager.

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.

IBM Security Access Manager Appliance could allow unauthenticated attacker to cause a denial of service in the reverse proxy component. IBM X-Force ID: 156159.

IBM MQ 8.0.0.0 through 8.0.0.10, 9.0.0.0 through 9.0.0.5, and 9.1.0.0 through 9.1.1 is vulnerable to a denial of service attack within the TLS key renegotiation function. IBM X-Force ID: 156564.

IBM Security Guardium Big Data Intelligence 4.0 (SonarG) does not properly restrict the size or amount of resources that are requested or influenced by an actor. This weakness can be used to consume more resources than intended. IBM X-Force ID: 161417.

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 is vulnerable to a denial of service, caused by improper handling of request headers. A remote attacker could exploit this vulnerability to cause the consumption of Memory. IBM X-Force ID: 156242.

IBM API Connect 2018.1 through 2018.4.1.6 developer portal could allow an unauthorized user to cause a denial of service via an unprotected API. IBM X-Force ID: 162263.

IBM Tivoli Monitoring Service 6.3.0.7.3 through 6.3.0.7.10 could allow an unauthorized user to access and modify operation aspects of the ITM monitoring server possibly leading to an effective denial of service or disabling of the monitoring server. IBM X-Force ID: 167647.

IBM StoreIQ 7.6.0.0. through 7.6.0.18 could allow a remote attacker to cause a denial of service attack using repeated requests to the server. IBM X-Force ID: 158698.

IBM MQ 9.0 and 9.1 is vulnerable to a denial of service attack due to an error in the Channel processing function. IBM X-Force ID: 173625.