CVE-2009-3524: Avast Antivirus Home

High severity, CVSS 7.2. EPSS: 0.4% chance of exploitation in the next 30 days.

Unspecified vulnerability in ashWsFtr.dll in avast! Home and Professional for Windows before 4.8.1356 has unknown impact and local attack vectors.

Affected products

• Avast Avast Antivirus Home: up to and including 4.8.1351; version 4.7.827 only; version 4.7.844 only; version 4.7.869 only; version 4.7.1043 only; version 4.7.1098 only; …
• Avast Avast Antivirus Professional: up to and including 4.8.1351; version 4.7.827 only; version 4.7.844 only; version 4.7.1043 only; version 4.7.1098 only; version 4.8.1169 only; …

Published 2009-10-01. Last modified 2026-06-16.