CVE-2006-5417: McAfee Internet Security Suite

Medium severity, CVSS 5.0. EPSS: 1.8% chance of exploitation in the next 30 days.

McAfee Network Agent (mcnasvc.exe) 1.0.178.0, as used by multiple McAfee products possibly including Internet Security Suite, Personal Firewall Plus, and VirusScan, allows remote attackers to cause a denial of service (agent crash) via a long packet, possibly because of an invalid string position field value. NOTE: some of these details are obtained from third party information.

Affected products

• McAfee Internet Security Suite: any version
• McAfee Network Agent: version 1.0.178.0 only
• McAfee Personal Firewall Plus: any version
• McAfee Virusscan: any version

Published 2006-10-20. Last modified 2026-06-16.