CVE-2006-3454: Symantec Client Security

High severity, CVSS 7.2. EPSS: 0.5% chance of exploitation in the next 30 days.

Multiple format string vulnerabilities in Symantec AntiVirus Corporate Edition 8.1 up to 10.0, and Client Security 1.x up to 3.0, allow local users to execute arbitrary code via format strings in (1) Tamper Protection and (2) Virus Alert Notification messages.

Affected products

• Symantec Client Security: version 1.0 only; version 1.0.1 only; version 1.1 only; version 1.1.1 only; version 2.0 only; version 2.0.1 only; …
• Symantec Norton Antivirus: version 8.1 only; version 9.0 only; version 9.0.1 only; version 9.0.2 only; version 10.0 only

Published 2006-09-14. Last modified 2026-06-16.