CVE-2024-7228: Avast Free Antivirus

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Avast Free Antivirus Link Following Denial-of-Service Vulnerability. This vulnerability allows local attackers to create a denial-of-service condition on affected installations of Avast Free Antivirus. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the Avast Service. By creating a symbolic link, an attacker can abuse the service to create a folder. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-22806.

Affected products

• Avast Free Antivirus: version 23.11.6090 only

Published 2024-11-22. Last modified 2026-06-17.