CVE-2007-0756: Chicken Of The Vnc

High severity, CVSS 7.8. EPSS: 4.4% chance of exploitation in the next 30 days.

Chicken of the VNC (cotv) 2.0 allows remote attackers to cause a denial of service (application crash) via a large computer-name size value in a ServerInit packet, which triggers a failed malloc and a resulting NULL dereference.

Affected products

Published 2007-02-06. Last modified 2026-06-16.