CVE-2007-4145: Bluesky Blueskychat

Medium severity, CVSS 4.3. EPSS: 5.3% chance of exploitation in the next 30 days.

Heap-based buffer overflow in the BlueSkychat (BlueSkyCat) ActiveX control (V2.V2Ctrl.1) in v2.ocx 8.1.2.0 and earlier allows remote attackers to execute arbitrary code via a long string in the second argument to the ConnecttoServer method.

Affected products

• Bluesky Blueskychat: up to and including 8.1.2.0

Published 2007-08-03. Last modified 2026-06-16.