The Fast Communications Manager (FCM) in IBM DB2 Enterprise Server Edition and Advanced Enterprise Server Edition 10.1 before FP3 and 10.5, when a multi-node configuration is used, allows remote attackers to cause a denial of service via vectors involving arbitrary data.

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.

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.

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).

The Meeting Server in IBM Sametime 8.x through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to cause a denial of service (room unusability) by generating a large number of fictitious users to enter a meeting room.

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.

The servlet gateway in IBM Cognos Business Intelligence 8.4.1 before IF3, 10.1.0 before IF4, 10.1.1 before IF4, 10.2.0 before IF4, 10.2.1 before IF2, and 10.2.1.1 before IF1 allows remote attackers to cause a denial of service (temporary gateway outage) via crafted HTTP requests.

IBM DB2 8.1 before FixPak 14 allows remote attackers to cause a denial of service via a crafted SQLJRA packet, which causes a NULL pointer dereference in the sqle_db2ra_as_recvrequest function in DB2ENGN.DLL, a different issue than CVE-2006-4257.

Report Builder in IBM Jazz Reporting Service (JRS) 5.x before 5.0.2-Rational-CLM-ifix011 and 6.0 before 6.0.0-Rational-CLM-ifix005 allows remote attackers to cause a denial of service (Report Builder server outage) via a crafted request to a Report Builder instance URL.

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.

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.

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

PCRE 7.8 and 8.32 through 8.37, and PCRE2 10.10 mishandle group empty matches, which might allow remote attackers to cause a denial of service (stack-based buffer overflow) via a crafted regular expression, as demonstrated by /^(?:(?(1)\\.|([^\\\\W_])?)+)+$/.

IBM Curam Social Program Management (SPM) 5.2 before SP6 EP6, 6.0 SP2 before EP26, 6.0.4 before 6.0.4.6, and 6.0.5 before 6.0.5.6 requires failed-login handling for web-service accounts to have the same lockout policy as for standard user accounts, which makes it easier for remote attackers to cause a denial of service (web-service outage) by making many login attempts with a valid caseworker account name.

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

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.

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

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.

WebSeal in IBM Tivoli SecureWay Policy Director 3.8 allows remote attackers to cause a denial of service (crash) via a URL that ends in %2e.

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.

The eDocument Conversion Actions implementation in IBM Datacap Taskmaster Capture 8.0.1 FP1 and earlier allows remote attackers to cause a denial of service (batch abort) via a long subject line in an e-mail message that is represented in a .eml file.

IBM WebSphere Application Server 4.0.1 through 4.0.3 allows remote attackers to cause a denial of service (application crash) via an HTTP request with a large header.

IBM Rational ClearCase 7.1 before 7.1.2.15, 8.0.0 before 8.0.0.12, and 8.0.1 before 8.0.1.5 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

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.

IBM Rational ClearQuest 7.1 before 7.1.2.15, 8.0.0 before 8.0.0.12, and 8.0.1 before 8.0.1.5 allows remote attackers to cause a denial of service (memory consumption) via a crafted XML document containing a large number of nested entity references, a similar issue to CVE-2003-1564.

The Stealth endpoint in Unisys Stealth SVG 2.8.x, 3.0.x before 3.0.1999, 3.1.x, 3.2.x before 3.2.030, and 3.3.x before 3.3.016, when running on Linux and AIX, allows remote attackers to cause a denial of service (crash) via crafted packets.

Buffer overflow in IBM Lotus Notes and Domino Server before 6.5.5 allows attackers to cause a denial of service (router crash or hang) via unspecified vectors involving "CD to MIME Conversion".

A problem within the IBM MQ 9.0.2, 9.0.3, 9.0.4, 9.0.5, and 9.1.0.0 Console REST API Could allow attackers to execute a denial of service attack preventing users from logging into the MQ Console REST API. IBM X-Force ID: 151969.

IBM App Connect V11.0.0.0 through V11.0.0.1, IBM Integration Bus V10.0.0.0 through V10.0.0.13, IBM Integration Bus V9.0.0.0 through V9.0.0.10, and WebSphere Message Broker V8.0.0.0 through V8.0.0.9 is vulnerable to a XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to consume memory resources. IBM X-Force ID: 149639.

IBM API Connect 2018.1 through 2018.3.7 could allow an unauthenticated attacker to cause a denial of service due to not setting limits on JSON payload size. IBM X-Force ID: 148802.

IBM Spectrum Protect 7.1 and 8.1 dsmc and dsmcad processes incorrectly accumulate TCP/IP sockets in a CLOSE_WAIT state. This can cause TCP/IP resource leakage and may result in a denial of service. IBM X-Force ID: 148871.

IBM QRadar Incident Forensics 7.2 and 7.3 does not properly restrict the size or amount of resources requested which could allow an unauthenticated user to cause a denial of service. IBM X-Force ID: 144650.

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.

The web-server plugin in IBM WebSphere Application Server (WAS) 7.x before 7.0.0.33, 8.x before 8.0.0.9, and 8.5.x before 8.5.5.2, when POST retries are enabled, allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors.

IBM WebSphere Portal 6.1.0 through 6.1.0.6 CF27, 6.1.5 through 6.1.5.3 CF27, 7.0 through 7.0.0.2 CF28, and 8.0 before 8.0.0.1 CF12 allows remote attackers to cause a denial of service (resource consumption and daemon crash) via a crafted web request.

The command-port listener in IBM WebSphere MQ Internet Pass-Thru (MQIPT) 2.x before 2.1.0.1 allows remote attackers to cause a denial of service (remote-administration outage) via unspecified vectors.

The Java Message Service (JMS) in IBM WebSphere Application Server (WAS) before 6.1.0.7 allows attackers to cause a denial of service via unknown vectors involving the "double release [of] a bytebuffer input stream," possibly a double free vulnerability.

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 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.

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.

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 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 Tivoli Directory Server (TDS) 6.0.0.x before 6.0.0.8-TIV-ITDS-IF0007 does not properly handle invalid buffer references in LDAP BER requests, which might allow remote attackers to cause a denial of service (daemon crash) via vectors involving a buffer that has a memory address near the maximum possible address.

Multiple unspecified vulnerabilities in IBM Director before 5.10 allow remote attackers to cause a denial of service (crash) via unspecified vectors involving (1) malformed WMI CIM server requests and (2) malformed packets.

Use-after-free vulnerability in the proxy server in IBM Tivoli Directory Server (TDS) 6.0.0.x before 6.0.0.8-TIV-ITDS-IF0007 and 6.1.x before 6.1.0-TIV-ITDS-FP0005 allows remote attackers to cause a denial of service (daemon crash) via an unbind request that occurs during a certain search operation.

Stack consumption vulnerability in solid.exe in IBM solidDB 6.5.0.3 and earlier allows remote attackers to cause a denial of service (memory consumption and daemon crash) by connecting to TCP port 1315 and sending a packet with many integer fields, which trigger many recursive calls of a certain function.

Multiple unspecified vulnerabilities in IBM DB2 Universal Database (UDB) before 8.1 FixPak 12 allow remote attackers to cause a denial of service (application crash) via a (1) "long column list" in the (a) REPLACE INTO and (b) INSERT INTO portions of the LOAD command or a (2) large number of values in an IN clause, possibly related to a buffer overflow.

solid.exe in IBM solidDB 6.5.0.3 and earlier does not properly perform a recursive call to a certain function upon receiving packet data containing many integer fields with two different values, which allows remote attackers to cause a denial of service (invalid memory access and daemon crash) via a TCP session on port 1315.

An unspecified Domino API in IBM Lotus Notes Traveler before 8.5.1.1 does not properly handle MIME types, which allows remote attackers to cause a denial of service (daemon crash) via unspecified vectors.

INSO service in IBM DB2 Content Manager before 8.2 Fix Pack 10 on AIX allows attackers to cause a denial of service (application crash) via unknown attack vectors involving LZH files.