CVE-2013-4602: Avira Antivir Mailgate

Medium severity, CVSS 5.5. EPSS: 1.4% chance of exploitation in the next 30 days.

A Denial of Service (infinite loop) vulnerability exists in Avira AntiVir Engine before 8.2.12.58 via an unspecified function in the PDF Scanner Engine.

Affected products

• Avira Antivir Mailgate: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Antivir Mailgate Suite: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Antivir Personal: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Antivir SharePoint: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Antivir Webgate: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Antivir Webgate Suite: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Antivirus Server: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Exchange Security: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Professional Security: before 8.2.12.58 (fixed in 8.2.12.58)
• Avira Savapi: before 8.2.12.58 (fixed in 8.2.12.58)

Published 2020-02-12. Last modified 2026-06-16.