Multiple unspecified vulnerabilities in the IBM Proventia engine 4.9.0.0.44 20081231, as used in IBM Proventia Network Mail Security System, Network Mail Security System Virtual Appliance, Desktop Endpoint Security, Network Multi-Function Security (MFS), and possibly other products, allow remote attackers to bypass detection of malware via a modified (1) ZIP or (2) CAB archive, a related issue to CVE-2009-1240.