Trillian Pro 3.1 build 121, when checking Yahoo e-mail, stores the password in plaintext in a world readable file and does not delete the file after login, which allows local users to obtain sensitive information.

Heap-based buffer overflow in the Rendezvous / Extensible Messaging and Presence Protocol (XMPP) component (plugins\rendezvous.dll) for Cerulean Studios Trillian Pro before 3.1.5.1 allows remote attackers to execute arbitrary code via a message that triggers the overflow from expansion that occurs during encoding.

Stack-based buffer overflow in the image tooltip implementation in Trillian before 3.1.12.0 allows remote attackers to execute arbitrary code via a long image filename, related to "AIM IMG Tag Parsing."

Double free vulnerability in the XML parser in Trillian before 3.1.12.0 allows remote attackers to execute arbitrary code via a crafted XML expression, related to the "IMG SRC ID."