Heap-based buffer overflow in the HtmlHelp program (hh.exe) in HTML Help for Microsoft Windows 98, Me, NT 4.0, 2000, XP, and Server 2003 allows remote attackers to execute arbitrary commands via a .CHM file with a large length field, a different vulnerability than CVE-2003-1041.

Double free vulnerability in mshtml.dll for certain versions of Internet Explorer 6.x allows remote attackers to cause a denial of service (application crash) via a malformed GIF image.

Unknown vulnerability in the H.323 protocol implementation in Windows 98, Windows 2000, Windows XP, and Windows Server 2003 allows remote attackers to execute arbitrary code.

Stack-based buffer overflow in certain Active Directory service functions in LSASRV.DLL of the Local Security Authority Subsystem Service (LSASS) in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, XP SP1, Server 2003, NetMeeting, Windows 98, and Windows ME, allows remote attackers to execute arbitrary code via a packet that causes the DsRolerUpgradeDownlevelServer function to create long debug entries for the DCPROMO.LOG log file, as exploited by the Sasser worm.

Double free vulnerability in the ASN.1 library as used in Windows NT 4.0, Windows 2000, Windows XP, and Windows Server 2003, allows remote attackers to cause a denial of service and possibly execute arbitrary code.

Buffer overflow in the Private Communications Transport (PCT) protocol implementation in the Microsoft SSL library, as used in Microsoft Windows NT 4.0 SP6a, 2000 SP2 through SP4, XP SP1, Server 2003, NetMeeting, Windows 98, and Windows ME, allows remote attackers to execute arbitrary code via PCT 1.0 handshake packets.

Unknown vulnerability in Windows Media Station Service and Windows Media Monitor Service components of Windows Media Services 4.1 allows remote attackers to cause a denial of service (disallowing new connections) via a certain sequence of TCP/IP packets.

Windows Media Player 9 allows remote attackers to execute arbitrary code via a PNG file containing large (1) width or (2) height values, aka the "PNG Processing Vulnerability."

The DHTML capability in Microsoft Windows Media Player (WMP) 6.4, 7.0, 7.1, and 9 may run certain URL commands from a security zone that is less trusted than the current zone, which allows attackers to bypass intended access restrictions.

The Messenger Service for Windows NT through Server 2003 does not properly verify the length of the message, which allows remote attackers to execute arbitrary code via a buffer overflow attack.