CVE-2007-2856: Dart Powertcp Zip Compression

High severity, CVSS 9.3. EPSS: 7.2% chance of exploitation in the next 30 days.

Buffer overflow in the Dart Communications PowerTCP ZIP Compression ActiveX control in DartZip.dll 1.8.5.3, when Internet Explorer 6 is used, allows user-assisted remote attackers to execute arbitrary code via a long first argument to the QuickZip function, a related issue to CVE-2007-2855.

Affected products

• Dart Powertcp Zip Compression: version 1.8.5.3 only

Published 2007-05-24. Last modified 2026-06-16.