IBM Personal Communications (aka PCOMM) 6.x before 6.0.17 and 12.x before 12.0.0.1 does not properly restrict credential extraction, which allows local users to discover passwords by leveraging access to the victim account and executing a PowerShell script.

Stack-based buffer overflow in pcspref.dll in pcsws.exe in IBM Personal Communications 5.9.x before 5.9.8 and 6.0.x before 6.0.4 might allow remote attackers to execute arbitrary code via a long profile string in a WorkStation (aka .ws) file.