CVE-1999-1004: Symantec Norton Antivirus

Medium severity, CVSS 5.0. EPSS: 2% chance of exploitation in the next 30 days.

Buffer overflow in the POP server POProxy for the Norton Anti-Virus protection NAV2000 program via a large USER command.

Affected products

• Symantec Norton Antivirus: version 2000 only

Published 1999-12-16. Last modified 2026-06-16.