CVE-2018-7226: Vncterm Project Vncterm

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

An issue was discovered in vcSetXCutTextProc() in VNConsole.c in LinuxVNC and VNCommand from the LibVNC/vncterm distribution through 0.9.10. Missing sanitization of the client-specified message length may cause integer overflow or possibly have unspecified other impact via a specially crafted VNC packet.

Affected products

• Vncterm Project Vncterm: up to and including 0.9.10

Published 2018-02-19. Last modified 2026-06-17.