CVE-2009-1784: Avg Anti-Virus

High severity, CVSS 10.0. EPSS: 3.4% chance of exploitation in the next 30 days.

The AVG parsing engine 8.5 323, as used in multiple AVG anti-virus products including Anti-Virus Network Edition, Internet Security Netzwerk Edition, Server Edition für Linux/FreeBSD, Anti-Virus SBS Edition, and others allows remote attackers to bypass malware detection via a crafted (1) RAR and (2) ZIP archive.

Affected products

• Avg Avg Anti-Virus: up to and including 8.0.156; version 6.0.710 only; version 7.0 only; version 7.0.251 only; version 7.0.323 only; version 7.1.308 only; …

Published 2009-05-22. Last modified 2026-06-16.