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."

Buffer overflow in the XML parser in Trillian 3.1.9.0, and possibly earlier, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted DTD file.