CVE-2008-2218: Nortel Multimedia Communications Server

Medium severity, CVSS 5.0. EPSS: 1.9% chance of exploitation in the next 30 days.

Buffer overflow in the Multimedia PC Client in Nortel Multimedia Communication Server (MCS) before Maintenance Release 3.5.8.3 and 4.0.25.3 allows remote attackers to cause a denial of service (crash) via a flood of "extraneous" messages, as demonstrated by the Nessus "Generic flood" denial of service plugin.

Affected products

• Nortel Multimedia Communications Server: up to and including 3.5.8.3; up to and including 4.0.25.3

Published 2008-05-14. Last modified 2026-06-16.