CVE-2008-4388: Symantec Appstream Client

High severity, CVSS 9.3. EPSS: 37.7% chance of exploitation in the next 30 days.

The LaunchObj ActiveX control before 5.2.2.865 in launcher.dll in Symantec AppStream Client 5.2.x before 5.2.2 SP3 MP1 does not properly validate downloaded files, which allows remote attackers to execute arbitrary code via the installAppMgr method and unspecified other methods.

Affected products

• Symantec Appstream Client: version 5.2 only

Published 2009-01-20. Last modified 2026-06-16.