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_])?)+)+$/.

The Session Manager in IBM Sterling Connect:Direct through 4.1.0.3 on UNIX allows remote attackers to cause a denial of service (daemon crash and disk consumption) via crafted data.

Stack-based buffer overflow in the AUTH_LIST_GROUPS_FOR_AUTHID function in IBM DB2 UDB 9.1 before Fixpak 3 allows attackers to cause a denial of service and possibly execute arbitrary code via a long argument.

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.

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 Cognos TM1 10.1 and 10.2 is vulnerable to a denial of service, caused by a stack-based buffer overflow when parsing packets. A remote attacker could exploit this vulnerability to cause a denial of service. IBM X-Force ID: 114612.

Buffer overflow in the CLI on IBM WebSphere DataPower XC10 appliances 2.1 and 2.5 allows remote authenticated users to cause a denial of service via unspecified vectors.

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.

Unspecified vulnerability in the message-protocol implementation in the Mount service in IBM Tivoli Storage Manager (TSM) FastBack 5.x.x before 5.5.7, and 6.1.0.0, allows remote attackers to cause a denial of service (recovery failure), and possibly trigger loss of data, via unknown vectors.

The slapi_printmessage function in IBM Tivoli Directory Server (ITDS) before 6.0.0.8-TIV-ITDS-IF0006 allows remote attackers to cause a denial of service (daemon crash) via multiple incomplete DIGEST-MD5 connection attempts.

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

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 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.

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

The IBM WebSphere DataPower XML Accelerator XA35, Low Latency Appliance XM70, Integration Appliance XI50, B2B Appliance XB60, and XML Security Gateway XS40 SOA Appliances before 3.8.0.0, when a QLOGIC Ethernet interface is used, allow remote attackers to cause a denial of service (interface outage) via malformed ICMP packets to the 0.0.0.0 destination IP address.

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/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.

The IBM BladeCenter with Advanced Management Module (AMM) firmware before bpet50g does not properly perform interrupt sharing for USB and iSCSI, which allows remote attackers to cause a denial of service (management module reboot) via TCP packets with malformed application data.

The HTTP Channel in IBM WebSphere Application Server (WAS) 7.0 before 7.0.0.11 allows remote attackers to cause a denial of service (NullPointerException) via a large amount of chunked data that uses gzip compression.

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.

The broker application in IBM BigFix Remote Control before 9.1.3 allows remote attackers to cause a denial of service via an invalid HTTP request.

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.

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.

The Web Services Security component in IBM WebSphere Application Server (WAS) 7.0 before 7.0.0.13 does not properly implement the Java API for XML Web Services (aka JAX-WS), which allows remote attackers to cause a denial of service (data corruption) via a crafted JAX-WS request that leads to incorrectly encoded data.

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.

Unspecified vulnerability in IBM WebSphere Application Server (WAS) 6.0 before 6.0.2.41, 6.1 before 6.1.0.31, and 7.0 before 7.0.0.11 allows remote attackers to cause a denial of service (memory consumption and daemon crash) via a crafted request, related to the nodeagent and Deployment Manager components.

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 Web Container in IBM WebSphere Application Server (WAS) 6.0 before 6.0.2.43, 6.1 before 6.1.0.31, and 7.0 before 7.0.0.11 does not properly handle chunked transfer encoding during a call to response.sendRedirect, which allows remote attackers to cause a denial of service via a GET request.

kuddb2 in Tivoli Monitoring for DB2, as distributed in IBM DB2 9.7 FP1 on Linux, allows remote attackers to cause a denial of service (daemon crash) via a certain byte sequence.

The do_extendedOp function in ibmslapd in IBM Tivoli Directory Server (TDS) 6.2 on Linux allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted SecureWay 3.2 Event Registration Request (aka a 1.3.18.0.2.12.1 request).

IBM Informix Dynamic Server (IDS) 10.00 before 10.00.xC11, 11.10 before 11.10.xC4, and 11.50 before 11.50.xC5 allows remote attackers to cause a denial of service (memory corruption, assertion failure, and daemon crash) by sending a long password over a JDBC connection.

IBM OmniFind Enterprise Edition 8.x and 9.x performs web crawls with an unlimited recursion depth, which allows remote web servers to cause a denial of service (infinite loop) via a crafted series of documents.

The Common Code Infrastructure component in IBM DB2 9.5 before FP5 and 9.7 before FP1 does not properly validate the size of a memory pool during a creation attempt, which allows attackers to cause a denial of service (memory consumption) via unspecified vectors.

The _CalcHashValueWithLength function in FastBackServer.exe in the Server in IBM Tivoli Storage Manager (TSM) FastBack 5.5.0.0 through 5.5.6.0 and 6.1.0.0 through 6.1.0.1 does not properly validate an unspecified length value, which allows remote attackers to cause a denial of service (daemon crash) by sending data over TCP. NOTE: this might overlap CVE-2010-3060.

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.

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.

The XML parser in Lifecycle Query Engine (LQE) in IBM Jazz Reporting Service 6.0 and 6.0.1 before 6.0.1 iFix006 allows remote authenticated administrators to read arbitrary files or cause a denial of service via an XML document containing an external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Unspecified vulnerability in nserver.exe in the server in IBM Lotus Domino 8.0 on Windows Server 2003 allows remote attackers to cause a denial of service (daemon crash) via unknown vectors, as demonstrated by a certain module in VulnDisco Pack Professional 8.11. NOTE: as of 20090903, this disclosure has no actionable information. However, because the VulnDisco Pack author is a reliable researcher, the issue is being assigned a CVE identifier for tracking purposes.

Unspecified vulnerability in IBM DB2 9.1 before FP9, 9.5 before FP6, and 9.7 before FP2 on Windows Server 2008 allows attackers to cause a denial of service (trap) via vectors involving "special group and user enumeration."

Unspecified vulnerability in IBM Tivoli Directory Server (TDS) 6.0 on Linux allows remote attackers to cause a denial of service via unknown vectors, as demonstrated by a certain module in VulnDisco Pack Professional 8.11. NOTE: as of 20090903, this disclosure has no actionable information. However, because the VulnDisco Pack author is a reliable researcher, the issue is being assigned a CVE identifier for tracking purposes.

Unspecified vulnerability in the message-protocol implementation in the Server in IBM Tivoli Storage Manager (TSM) FastBack 5.x.x before 5.5.7, and 6.1.0.0, allows remote attackers to cause a denial of service (daemon outage) via unknown vectors.

NodeJS Tough-Cookie version 2.2.2 contains a Regular Expression Parsing vulnerability in HTTP request Cookie Header parsing that can result in Denial of Service. This attack appear to be exploitable via Custom HTTP header passed by client. This vulnerability appears to have been fixed in 2.3.0.

The npb_protocol_error function in sna V5router64 in IBM Communications Server for Windows 6.1.3 and Communications Server for AIX (aka CSAIX or CS/AIX) in sna.rte before 6.3.1.2 allows remote attackers to cause a denial of service (daemon crash) via APPC data containing a GDSID variable with a GDS length that is too small.

IBM QRadar SIEM 7.3, 7.4, and 7.5 may be vulnerable to partial denial of service attack, resulting in some protocols not listening to specified ports. IBM X-Force ID: 214028.

Memory leak in the Security component in IBM DB2 8.1 before FP18 on Unix platforms allows attackers to cause a denial of service (memory consumption) via unspecified vectors, related to private memory within the DB2 memory structure.

Unspecified vulnerability in db2jds in IBM DB2 8.1 before FP18 allows remote attackers to cause a denial of service (service crash) via "malicious packets."