CVE-2008-0309: Symantec Scan Engine

Medium severity, CVSS 6.8. EPSS: 3.7% chance of exploitation in the next 30 days.

Stack-based buffer overflow in Symantec Decomposer, as used in certain Symantec antivirus products including Symantec Scan Engine 5.1.2 and other versions before 5.1.6.31, allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a malformed RAR file to the Internet Content Adaptation Protocol (ICAP) port (1344/tcp).

Affected products

• Symantec Scan Engine: up to and including 5.1.4.24
• Symantec Symantec Antivirus Filtering Domino Mpe: up to and including 3.0.12
• Symantec Symantec Antivirus Network Attached Storage: up to and including 4.3.16.39
• Symantec Symantec Antivirus Scan Engine: up to and including 4.3.16.39
• Symantec Symantec Antivirus Scan Engine Caching: up to and including 4.3.16.39
• Symantec Symantec Antivirus Scan Engine Clearswift: up to and including 4.3.16.39
• Symantec Symantec Antivirus Scan Engine For Microsoft SharePoint: up to and including 4.3.16.39
• Symantec Symantec Antivirus Scan Engine For Ms Isa: up to and including 4.3.16.39
• Symantec Symantec Antivirus Scan Engine Messaging: up to and including 4.3.16.39
• Symantec Symantec Mail Security For Microsoft Exchange: up to and including 4.6.5.12; up to and including 5.0.4.363

Published 2008-02-28. Last modified 2026-06-16.