Unspecified vulnerability in the VMware Descheduled Time Accounting driver in VMware Workstation 6.5.1 and earlier, VMware Player 2.5.1 and earlier, VMware ACE 2.5.1 and earlier, VMware Server 1.x before 1.0.9 build 156507 and 2.x before 2.0.1 build 156745, VMware Fusion 2.x before 2.0.2 build 147997, VMware ESXi 3.5, and VMware ESX 3.0.2, 3.0.3, and 3.5, when the Descheduled Time Accounting Service is not running, allows guest OS users on Windows to cause a denial of service via unknown vectors.

Unspecified vulnerability in an ioctl in hcmon.sys in VMware Workstation 6.5.1 and earlier, VMware Player 2.5.1 and earlier, VMware ACE 2.5.1 and earlier, and VMware Server 1.0.x before 1.0.9 build 156507 and 2.0.x before 2.0.1 build 156745 allows local users to cause a denial of service via unknown vectors, a different vulnerability than CVE-2008-3761.

Unspecified vulnerability in a guest virtual device driver in VMware Workstation before 5.5.9 build 126128, and 6.5.1 and earlier 6.x versions; VMware Player before 1.0.9 build 126128, and 2.5.1 and earlier 2.x versions; VMware ACE before 1.0.8 build 125922, and 2.5.1 and earlier 2.x versions; VMware Server 1.x before 1.0.8 build 126538 and 2.0.x before 2.0.1 build 156745; VMware Fusion before 2.0.1; VMware ESXi 3.5; and VMware ESX 3.0.2, 3.0.3, and 3.5 allows guest OS users to cause a denial of service (host OS crash) via unknown vectors.

HGFS.sys in the VMware Tools package in VMware Workstation 5.x before 5.5.6 build 80404, VMware Player before 1.0.6 build 80404, VMware ACE before 1.0.5 build 79846, VMware Server before 1.0.5 build 80187, and VMware ESX 2.5.4 through 3.0.2 does not properly validate arguments in user-mode METHODNEITHER IOCTLs to the \\.\hgfs device, which allows guest OS users to modify arbitrary memory locations in guest kernel memory and gain privileges.

Buffer overflow in an ActiveX control in VMWare 5.5.1 allows local users to execute arbitrary code via a long VmdbDb parameter to the Initialize function.