CVE-2005-4466: Interactive Intelligence Interaction SIP Proxy

High severity, CVSS 7.5. EPSS: 12.9% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the SIPParser function in i3sipmsg.dll in Interaction SIP Proxy before 3.0.011 allows remote attackers to cause a denial of service and possibly execute arbitrary code via a REGISTER request with a SPI version number that contains a large number of space or tab characters.

Affected products

• Interactive Intelligence Interaction SIP Proxy: version 3.0.010 only

Published 2005-12-22. Last modified 2026-06-16.