Memory leak in the SNMP LAN Manager (LANMAN) MIB extension for Microsoft Windows 2000 before SP3, when the Print Spooler is not running, allows remote attackers to cause a denial of service (memory consumption) via a large number of GET or GETNEXT requests.

AOL Instant Messenger (AIM) 4.7 and earlier allows remote attackers to cause a denial of service (application crash) via a large number of different fonts followed by an HTML HR tag.

AOL Instant Messenger (AIM) 4.7 allows remote attackers to cause a denial of service (application hang or crash) via a buddy icon GIF file whose length and width values are larger than the actual image data.

Microsoft Exchange 5.5 2000 allows remote attackers to cause a denial of service (hang) via exceptional BER encodings for the LDAP filter type field, as demonstrated by the PROTOS LDAPv3 test suite.

Microsoft Internet Explorer 6 and 7 does not initialize certain data structures during execution of the createElement method, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via crafted JavaScript code, as demonstrated by setting the (1) outerHTML or (2) value property of an object returned by createElement.

Universal Plug and Play (UPnP) in Windows 98, 98SE, ME, and XP allows remote attackers to cause a denial of service (memory consumption or crash) via a malformed UPnP request.

Microsoft Internet Explorer 6 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) by iterating over any native function, as demonstrated with the window.alert function, which triggers a null dereference.

Stack overflow in Microsoft Internet Explorer 6 on Windows 2000 allows remote attackers to cause a denial of service (application crash) by creating an NMSA.ASFSourceMediaDescription.1 ActiveX object with a long dispValue property.

Various TCP/IP stacks and network applications allow remote attackers to cause a denial of service by flooding a target host with TCP connection attempts and completing the TCP/IP handshake without maintaining the connection state on the attacker host, aka the "NAPTHA" class of vulnerabilities. NOTE: this candidate may change significantly as the security community discusses the technical nature of NAPTHA and learns more about the affected applications. This candidate is at a higher level of abstraction than is typical for CVE.

Windows Media Unicast Service in Windows Media Services 4.0 and 4.1 does not properly shut down some types of connections, producing a memory leak that allows remote attackers to cause a denial of service via a series of severed connections, aka the "Severed Windows Media Server Connection" vulnerability.

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.

Handle leak in Microsoft Windows 2000 telnet service allows attackers to cause a denial of service by starting a large number of sessions and terminating them.

cfnetwork.dll 1.450.5.0 in CFNetwork, as used by safari.exe 531.21.10 in Apple Safari 4.0.4 on Windows, allows remote attackers to cause a denial of service (application crash) via a long string in the SRC attribute of a (1) IMG or (2) IFRAME element.

Format string vulnerability in AOL Instant Messenger (AIM) 4.1.2010 allows remote attackers to cause a denial of service and possibly execute arbitrary commands by transferring a file whose name includes format characters.

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.

.NET and Visual Studio Denial of Service Vulnerability

annclist.exe in webTV for Windows allows remote attackers to cause a denial of service by via a large, malformed UDP packet to ports 22701 through 22705.

MSHTML.DLL HTML parser in Internet Explorer 4.0, and other versions, allows remote attackers to cause a denial of service (application crash) via a script that creates and deletes an object that is associated with the browser window object.

FTP service in IIS 5.0 and earlier allows remote attackers to cause a denial of service via a wildcard sequence that generates a long string when it is expanded.

Microsoft Internet Explorer 6 through 6.0.2900.2180, and 7.0.6000.16711, allows remote attackers to cause a denial of service (CPU consumption) via an automatically submitted form containing a KEYGEN element, a related issue to CVE-2009-1828.

cfnetwork.dll 1.450.5.0 in CFNetwork, as used by safari.exe 531.21.10 in Apple Safari 4.0.3 and 4.0.4 on Windows, allows remote attackers to cause a denial of service (application crash) via a long string in the BACKGROUND attribute of a BODY element.

NMPI (Name Management Protocol on IPX) listener in Microsoft NWLink does not properly filter packets from a broadcast address, which allows remote attackers to cause a broadcast storm and flood the network.

Windows 2000 domain controller in Windows 2000 Server, Advanced Server, or Datacenter Server allows remote attackers to cause a denial of service via a flood of malformed service requests.

Internet Explorer 6 on Windows XP SP2, when Outlook is installed, allows remote attackers to cause a denial of service (crash) by calling the NewDefaultItem function of an OVCtl (OVCtl.OVCtl.1) ActiveX object, which triggers a null dereference.

Windows NT 4.0 and Windows 2000 hosts allow remote attackers to cause a denial of service (unavailable connections) by sending multiple SMB SMBnegprots requests but not reading the response that is sent back.

The SMTP component in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, and Server 2008 Gold, SP2, and R2, and Exchange Server 2003 SP2, does not properly parse MX records, which allows remote DNS servers to cause a denial of service (service outage) via a crafted response to a DNS MX record query, aka "SMTP Server MX Record Vulnerability."

Remote Data Protocol (RDP) in Windows 2000 Terminal Service does not properly handle certain malformed packets, which allows remote attackers to cause a denial of service, aka the "Invalid RDP Data" vulnerability.

Microsoft Windows Media Player 7 allows attackers to cause a denial of service in RTF-enabled email clients via an embedded OCX control that is not closed properly, aka the "OCX Attachment" vulnerability.

FrontPage Server Extensions (FPSE) in IIS 4.0 and 5.0 allows remote attackers to cause a denial of service via a malformed form, aka the "Malformed Web Form Submission" vulnerability.

Vulnerability in Microsoft Windows NT 4.0 allows remote attackers to cause a denial of service in IIS by sending it a series of malformed requests which cause INETINFO.EXE to fail, aka the "Invalid URL" vulnerability.

Microsoft NetMeeting 3.01 with Remote Desktop Sharing enabled allows remote attackers to cause a denial of service via a malformed string to the NetMeeting service port, aka a variant of the "NetMeeting Desktop Sharing" vulnerability.

An administrative script from IIS 3.0, later included in IIS 4.0 and 5.0, allows remote attackers to cause a denial of service by accessing the script without a particular argument, aka the "Absent Directory Browser Argument" vulnerability.

The IPX protocol implementation in Microsoft Windows 95 and 98 allows remote attackers to cause a denial of service by sending a ping packet with a source IP address that is a broadcast address, aka the "Malformed IPX Ping Packet" vulnerability.

.NET Core and Visual Studio Denial of Service Vulnerability

Microsoft QUIC Denial of Service Vulnerability

Internet Explorer 4.0 allows remote attackers to cause a denial of service (crash) via HTML code that contains a long CLASSID parameter in an OBJECT tag.

Memory leak in Simple Network Management Protocol (SNMP) agent (snmp.exe) for Windows NT 4.0 before Service Pack 4 allows remote attackers to cause a denial of service (memory consumption) via a large number of SNMP packets with Object Identifiers (OIDs) that cannot be decoded.

The CIFS Computer Browser service allows remote attackers to cause a denial of service by sending a ResetBrowser frame to the Master Browser, aka the "ResetBrowser Frame" vulnerability.

When curl retrieves an HTTP response, it stores the incoming headers so that they can be accessed later via the libcurl headers API. However, curl did not have a limit in how many or how large headers it would accept in a response, allowing a malicious server to stream an endless series of headers and eventually cause curl to run out of heap memory.

Windows NT 4.0 before SP3 allows remote attackers to bypass firewall restrictions or cause a denial of service (crash) by sending improperly fragmented IP packets without the first fragment, which the TCP/IP stack incorrectly reassembles into a valid session.

IIS 4.0 and 5.0 allows remote attackers to cause a denial of service by sending many URLs with a large number of escaped characters, aka the "Myriad Escaped Characters" Vulnerability.

The shtml.exe component of Microsoft FrontPage 2000 Server Extensions 1.1 allows remote attackers to cause a denial of service in some components by requesting a URL whose name includes a standard DOS device name.

The Windows Media server allows remote attackers to cause a denial of service via a series of client handshake packets that are sent in an improper sequence, aka the "Misordered Windows Media Services Handshake" vulnerability.

Microsoft Windows 9x operating systems allow an attacker to cause a denial of service via a pathname that includes file device names, aka the "DOS Device in Path Name" vulnerability.

Windows NT and Windows 2000 hosts allow a remote attacker to cause a denial of service via malformed DCE/RPC SMBwriteX requests that contain an invalid data length.

Windows TCP/IP Denial of Service Vulnerability

Windows NT 4.0 SP2 allows remote attackers to cause a denial of service (crash), possibly via malformed inputs or packets, such as those generated by a Linux smbmount command that was compiled on the Linux 2.0.29 kernel but executed on Linux 2.0.25.

Microsoft Outlook 2000 does not properly process long or malformed fields in vCard (.vcf) files, which allows attackers to cause a denial of service.

Microsoft QUIC Denial of Service Vulnerability

The Remote Registry server in Windows NT 4.0 allows local authenticated users to cause a denial of service via a malformed request, which causes the winlogon process to fail, aka the "Remote Registry Access Authentication" vulnerability.