CVE-2003-1110: Columbia University Sipc

High severity, CVSS 7.5. EPSS: 5.3% chance of exploitation in the next 30 days.

The Session Initiation Protocol (SIP) implementation in Columbia SIP User Agent (sipc) 1.74 and other versions before sipc 2.0 build 2003-02-21 allows remote attackers to cause a denial of service or execute arbitrary code via crafted INVITE messages, as demonstrated by the OUSPG PROTOS c07-sip test suite.

Affected products

Published 2003-12-31. Last modified 2026-06-16.