CVE-2006-0189: Estara Softphone

High severity, CVSS 7.5. EPSS: 15.9% chance of exploitation in the next 30 days.

Buffer overflow in eStara Softphone 3.0.1.14 through 3.0.1.46 allows remote attackers to execute arbitrary code via a long attribute (aka "a") field in the SDP data of a SIP packet on UDP port 5060.

Affected products

• Estara Softphone: version 3.0.1.14 only; version 3.0.1.46 only

Published 2006-01-13. Last modified 2026-06-16.