CVE-2008-3493: Realvnc Windows Client

Medium severity, CVSS 5.0. EPSS: 5.6% chance of exploitation in the next 30 days.

vncviewer.exe in RealVNC Windows Client 4.1.2.0 allows remote VNC servers to cause a denial of service (application crash) via a crafted frame buffer update packet.

Affected products

• Realvnc Realvnc Windows Client: version 4.1.2.0 only

Published 2008-08-06. Last modified 2026-06-16.