CVE-2008-0308: Symantec Scan Engine

High severity, CVSS 7.1. EPSS: 2.6% chance of exploitation in the next 30 days.

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 cause a denial of service (memory consumption) 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 Clearswift: up to and including 4.3.16.39
  • Symantec Symantec Antivirus Filtering Domino Mpe: up to and including 3.0.12
  • Symantec Symantec Antivirus Messaging: up to and including 4.3.16.39
  • Symantec Symantec Antivirus Microsoft SharePoint: up to and including 4.3.16.39
  • Symantec Symantec Antivirus Ms Isa: up to and including 4.3.16.39
  • 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 Mail Security 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.