CVE-2004-2304: Cerulean Studios Trillian

High severity, CVSS 7.5. EPSS: 3.8% chance of exploitation in the next 30 days.

Integer overflow in Trillian 0.74 and earlier, and Trillian Pro 2.01 and earlier, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a directIM packet that triggers a heap-based buffer overflow.

Affected products

• Cerulean Studios Trillian: version 0.71 only; version 0.73 only; version 0.74 only; version 0.725 only
• Cerulean Studios Trillian Pro: version 1.0 only; version 2.0 only; version 2.01 only

Published 2004-12-31. Last modified 2026-06-16.