Heap-based buffer overflow in the SendChannelData function in wfica.ocx in Citrix Presentation Server Client before 9.230 for Windows allows remote malicious web sites to execute arbitrary code via a DataSize parameter that is less than the length of the Data buffer.

Unspecified vulnerability in Citrix Presentation Server Client for Windows before 10.0 allows remote web sites to execute arbitrary code via unspecified vectors, related to the implementation of ICA connectivity through proxy servers.

Citrix Presentation Server Client for Windows before 10.200 does not clear "credential information" from process memory in unspecified circumstances, which might allow local users to gain privileges.