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 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.

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.

The IMAP task in the server in IBM Lotus Domino 8.0.2 before FP1 IF1 and 8.5 before IF3 allows remote attackers to cause a denial of service (daemon crash) via a MIME e-mail message with RFC822 attachments (aka blobs) containing malformed root entities.

Multiple TCP implementations could allow remote attackers to cause a denial of service (bandwidth and CPU exhaustion) by setting the maximum segment size (MSS) to a very small number and requesting large amounts of data, which generates more packets with less TCP-level data that amplify network traffic and consume more server CPU to process.

IBM Tivoli Directory Server (TDS) 5.2 before 5.2.0.5-TIV-ITDS-LA0007 on AIX allows remote attackers to cause a denial of service (server destabilization) via an anonymous DIGEST-MD5 LDAP Bind operation.

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 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.

Unspecified vulnerability in the IBM Asynchronous I/O (aka AIO or libibmaio) library in the Java Message Service (JMS) component in IBM WebSphere Application Server (WAS) 6.1.x before 6.1.0.17 on AIX 5.3 allows attackers to cause a denial of service (daemon crash) via vectors related to the aio_getioev2 and getEvent methods.

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.

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.

Unspecified vulnerability in the docnote string handling implementation in IBM Lotus Quickr 8.1 before 8.1.0.2 services for Lotus Domino allows remote attackers to cause a denial of service (daemon crash) via unknown vectors, aka SPR JFLD7GZT25.

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

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.

Multiple integer overflows in the scanning engine in Bitdefender for Linux 7.60825 and earlier allow remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a malformed (1) NeoLite and (2) ASProtect packed PE file.

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.

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.

The knfsd NFS server in Linux kernel 2.2.x allows remote attackers to cause a denial of service via a negative size value.

The Resource Monitoring and Control (RMC) daemon in IBM Hardware Management Console (HMC) 7 release 3.2.0 SP1 and 3.3.0 SP2 allows remote attackers to cause a denial of service (daemon crash or hang) via a packet with an invalid length.

IBM DB2 UDB 8.1 before FixPak 16, 8.2 before FixPak 9, and 9.1 before FixPak 4a allows remote attackers to cause a denial of service (instance crash) via a crafted SQLJRA packet within a CONNECT/ATTACH data stream that simulates a V7 client connect/attach request.

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

Unspecified vulnerability in the SQLNLS_UNPADDEDCHARLEN function in the New Compiler (aka Starburst derived compiler) component in the server in IBM DB2 9.1 before FP6 allows attackers to cause a denial of service (segmentation violation and trap) via unknown vectors.

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.

Vulnerability when Network Address Translation (NAT) is enabled in Linux 2.2.10 and earlier with ipchains, or FreeBSD 3.2 with ipfw, allows remote attackers to cause a denial of service (kernel panic) via a ping -R (record route) command.

Unspecified vulnerability in the Performance Monitoring Infrastructure (PMI) feature in the Servlet Engine/Web Container component in IBM WebSphere Application Server (WAS) 6.1.x before 6.1.0.19, when a component statistic is enabled, allows attackers to cause a denial of service (daemon crash) via vectors related to "a gradual degradation in performance."

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

The ping command in Linux 2.0.3x allows local users to cause a denial of service by sending large packets with the -R (record route) option.

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 Rational Build Forge 7.0.2 allows remote attackers to cause a denial of service (CPU consumption) via a port scan, which spawns multiple bfagent server processes that attempt to read data from closed sockets.

Nestea variation of teardrop IP fragmentation denial of service.

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

Linux 2.2.3 and earlier allow a remote attacker to perform an IP fragmentation attack, causing 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.

Denial of service in AIX telnet can freeze a system and prevent users from accessing the server.

Denial of service in RPC portmapper allows attackers to register or unregister RPC services or spoof RPC services using a spoofed source IP address such as 127.0.0.1.

Denial of Service vulnerability in BIND 8 Releases via maliciously formatted DNS messages.

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 of inetd on Linux through SYN and RST packets.

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 driver for compressed ISO file systems (zisofs) in the Linux kernel before 2.6.12.5 allows local users and remote attackers to cause a denial of service (kernel crash) via a crafted compressed ISO file system.

The TFTP implementation in IBM Tivoli Provisioning Manager for OS Deployment 5.1 before Fix Pack 3 allows remote attackers to cause a denial of service (rembo.exe crash and multiple service outage) via a read (RRQ) request with an invalid blksize (blocksize), which triggers a divide-by-zero error.

The png_handle_tRNS function in pngrutil.c in libpng before 1.0.25 and 1.2.x before 1.2.17 allows remote attackers to cause a denial of service (application crash) via a grayscale PNG image with a bad tRNS chunk CRC value.

The RFC_SET_REG_SERVER_PROPERTY function in the SAP RFC Library 6.40 and 7.00 before 20070109 implements an option for exclusive access to an RFC server, which allows remote attackers to cause a denial of service (client lockout) via unspecified vectors. NOTE: This information is based upon a vague initial disclosure. Details will be updated after the grace period has ended.

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.

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.

IBM Spectrum Protect 8.1.0.0 through 8.1.14.0 dsmcad, dsmc, and dsmcsvc processes incorrectly handle certain read operations on TCP/IP sockets. This can result in a denial of service for IBM Spectrum Protect client operations. IBM X-Force ID: 225348.

Unspecified vulnerability in Hitachi OSAS/FT/W before 20070223 allows attackers to cause a denial of service (responder control processing halt) by sending "data unexpectedly through the port".