Microsoft Communicator allows remote attackers to cause a denial of service (application or device outage) via instant messages containing large numbers of emoticons.

The CIM server in IBM Director before 5.20.3 Service Update 2 on Windows allows remote attackers to cause a denial of service (daemon crash) via a long consumer name, as demonstrated by an M-POST request to a long /CIMListener/ URI.

The Electronic Messaging System Microsoft Data Base (EMSMDB32) provider in Microsoft Exchange 2000 Server SP3 and Exchange Server 2003 SP2, as used in Exchange System Attendant, allows remote attackers to cause a denial of service (application outage) via a malformed MAPI command, aka "Literal Processing Vulnerability."

The CSS functionality in Opera 9 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) by setting the background property of a DHTML element to a long http or https URL, which triggers memory corruption.

Microsoft Internet Explorer 6 allows remote attackers to cause a denial of service (crash) by setting the location or URL property of a MHTMLFile ActiveX object.

danim.dll in Microsoft Internet Explorer 6 allows remote attackers to cause a denial of service (application crash) by accessing the Data property of a DirectAnimation DAUserData object before it is initialized, which triggers a NULL pointer dereference.

Memory leak in WebKit.dll in WebKit, as used by Apple Safari 3.2 on Windows Vista SP1, allows remote attackers to cause a denial of service (memory consumption and browser crash) via a long ALINK attribute in a BODY element in an HTML document.

The forms-based authentication implementation in Active Directory Federation Services (ADFS) 3.0 in Microsoft Windows Server 2012 R2 allows remote attackers to cause a denial of service (daemon outage) via crafted data, aka "Microsoft Active Directory Federation Services Denial of Service Vulnerability."

The WAV file property handler in Windows XP SP1 allows remote attackers to cause a denial of service (infinite loop in Explorer) via a WAV file with an invalid file header whose fmt chunk length is set to 0xFFFFFFFF.

Windows 2000 allows remote attackers to cause a denial of service (CPU consumption) by flooding Internet Key Exchange (IKE) UDP port 500 with packets that contain a large number of dot characters.

The DebugDiag ActiveX control in CrashHangExt.dll, possibly 1.0, in Microsoft Debug Diagnostic Tool allows remote attackers to cause a denial of service (NULL pointer dereference and Internet Explorer 6.0 crash) via a large negative integer argument to the GetEntryPointForThread method. NOTE: this issue might only be exploitable in limited environments or non-default browser settings.

Mozilla Firefox 3.0.5 on Windows Vista allows remote attackers to cause a denial of service (application crash) via JavaScript code with a long string value for the hash property (aka location.hash). NOTE: it was later reported that earlier versions are also affected, and that the impact is CPU consumption and application hang in unspecified circumstances perhaps involving other platforms.

Microsoft Communicator, and Communicator in Microsoft Office 2010 beta, allows remote attackers to cause a denial of service (memory consumption) via a large number of SIP INVITE requests, which trigger the creation of many sessions.

Unspecified vulnerability in Microsoft Office Communications Server (OCS), Office Communicator, and Windows Live Messenger allows remote attackers to cause a denial of service (crash) via a crafted Real-time Transport Control Protocol (RTCP) receiver report packet.

.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly handling web requests, aka ".NET CORE Denial Of Service Vulnerability".

.NET Core 1.0, 1.1, and 2.0 allow an unauthenticated attacker to remotely cause a denial of service attack against a .NET Core web application by improperly parsing certificate data. A denial of service vulnerability exists when .NET Core improperly handles parsing certificate data, aka ".NET CORE Denial Of Service Vulnerability".

Windows Search in Windows 7 SP1, Windows Server 2008 SP2 and R2 SP1, Windows 8.1 and RT 8.1, Windows Server 2012 and R2, Windows 10 Gold, 1511, 1607, 1703 and 1709, Windows Server 2016 and Windows server, version 1709 allows an unauthenticated attacker to remotely send specially crafted messages that could cause a denial of service against the system due to improperly handing objects in memory, aka "Windows Search Denial of Service Vulnerability".

Stack-based buffer overflow in the Microsoft Java implementation, as used in Internet Explorer, allows remote attackers to cause a denial of service via a long class name through (1) Class.forName or (2) ClassLoader.loadClass.

A certain ActiveX control in Adobe Acrobat 9, when used with Microsoft Windows Vista and Internet Explorer 7, allows remote attackers to cause a denial of service (browser crash) via an src property value with an invalid acroie:// URL.

A certain ActiveX control in adsiis.dll in Microsoft Internet Information Services (IIS) allows remote attackers to cause a denial of service (browser crash) via a long string in the second argument to the GetObject method. NOTE: this issue was disclosed by an unreliable researcher, so it might be incorrect.

Windows XP with port 445 open allows remote attackers to cause a denial of service (CPU consumption) via a flood of TCP SYN packets containing possibly malformed data.

ntpd in NTP before 4.2.8p9, when running on Windows, allows remote attackers to cause a denial of service via a large UDP packet.

Terminal Server in Windows NT and Windows 2000 allows remote attackers to cause a denial of service via a sequence of invalid Remote Desktop Protocol (RDP) packets.

Telnet Service for Windows 2000 Professional does not properly terminate incomplete connection attempts, which allows remote attackers to cause a denial of service by connecting to the server and not providing any input.

The Microsoft MS00-060 patch for IIS 5.0 and earlier introduces an error which allows attackers to cause a denial of service via a malformed request.

A certain ActiveX control in the Microsoft Internet Authentication Service (IAS) Helper COM Component in iashlpr.dll allows remote attackers to cause a denial of service (browser crash) via a large integer value in the first argument to the PutProperty method. NOTE: this issue was disclosed by an unreliable researcher, so it might be incorrect.

The user interface event dispatcher in Mozilla Firefox 3.0.3 on Windows XP SP2 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a series of keypress, click, onkeydown, onkeyup, onmousedown, and onmouseup events. NOTE: it was later reported that Firefox 3.0.2 on Mac OS X 10.5 is also affected.

Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.

Microsoft Outlook Express before 4.72.3612.1700 allows a malicious user to send a message that contains a .., which can inadvertently cause Outlook to re-enter POP3 command mode and cause the POP3 session to hang.

Bonk variation of teardrop IP fragmentation denial of service.

Windows NT crashes or locks up when a Samba client executes a "cd .." command on a file share.

Denial of service in Windows NT DNS servers by flooding port 53 with too many characters.

A later variation on the Teardrop IP denial of service attack, a.k.a. Teardrop-2.

A vulnerability was found in ProSSHD 1.2 on Windows. It has been declared as problematic. This vulnerability affects unknown code. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-251548.

Mozilla Firefox 3.5.2 on Windows XP, in some situations possibly involving an incompletely configured protocol handler, does not properly implement setting the document.location property to a value specifying a protocol associated with an external application, which allows remote attackers to cause a denial of service (memory consumption) via vectors involving a series of function calls that set this property, as demonstrated by (1) the chromehtml: protocol and (2) the aim: protocol.

The WideCharToMultiByte function in Microsoft Windows 2000 before Update Rollup 1 for SP4 does not properly convert strings with Japanese composite characters in the last character, which could prevent the string from being null terminated and lead to data corruption or enable buffer overflow attacks.

A vulnerability was found in freeSSHd 1.0.9 on Windows. It has been classified as problematic. This affects an unknown part. The manipulation leads to denial of service. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-251547.

There is an ASSERTION (pFuncBody->GetYieldRegister() == oldYieldRegister) failed in Js::DebugContext::RundownSourcesAndReparse in ChakraCore version 1.12.0.0-beta.

Microsoft Internet Explorer 5.2.3 for Mac OS allows remote attackers to cause a denial of service (crash) via a web page with malformed attributes in a BGSOUND tag, possibly involving double-quotes in an about: URI.

mDNSResponder in the Bonjour Namespace Provider in Apple Bonjour for Windows before 1.0.5 allows attackers to cause a denial of service (NULL pointer dereference and application crash) by resolving a crafted .local domain name that contains a long label.

The ISA Firewall service in Microsoft Internet Security and Acceleration (ISA) Server 2000 allows remote attackers to cause a denial of service (Wspsrv.exe crash) via a large amount of SecureNAT network traffic.

Microsoft Front Page allows attackers to cause a denial of service (crash) via a crafted style tag in a web page.

Windows TCP/IP Driver Denial of Service Vulnerability

The Perforce service (p4s.exe) in Perforce Server 2007.3/143793 and earlier allows remote attackers to cause a denial of service (daemon crash) via a (1) server-DiffFile or (2) server-ReleaseFile command with a large integer value, which is used in an array initialization calculation, and leads to invalid memory access.

dhost.exe in Novell eDirectory 8.7.3 before sp10 and 8.8.2 allows remote attackers to cause a denial of service (CPU consumption) via an HTTP request with (1) multiple Connection headers or (2) a Connection header with multiple comma-separated values. NOTE: this might be similar to CVE-2008-1777.

Memory leak in Windows Management Instrumentation (WMI) service allows attackers to cause a denial of service (memory consumption and crash) by creating security contexts more quickly than they can be cleared from the RPC cache.

Microsoft MSN Messenger Service 1.0 through 4.6 allows remote attackers to cause a denial of service (crash) via an invite request that contains hex-encoded spaces (%20) in the Invitation-Cookie field.

PuTTY before 0.75 on Windows allows remote servers to cause a denial of service (Windows GUI hang) by telling the PuTTY window to change its title repeatedly at high speed, which results in many SetWindowTextA or SetWindowTextW calls. NOTE: the same attack methodology may affect some OS-level GUIs on Linux or other platforms for similar reasons.

Windows Explorer and Internet Explorer in Windows 2000 SP1 allows remote attackers to cause a denial of service (CPU consumption) via a malformed Windows Metafile (WMF) file.

Sync Framework in Microsoft Windows 8.1, Windows Server 2012 R2, and Windows RT 8.1 allows remote attackers to cause a denial of service (SyncShareSvc service outage) via crafted "change batch" data, aka "Windows DLL Loading Denial of Service Vulnerability."