CVE-2017-7394: Tigervnc

High severity, CVSS 7.5. EPSS: 1.6% chance of exploitation in the next 30 days.

In TigerVNC 1.7.1 (SSecurityPlain.cxx SSecurityPlain::processMsg), unauthenticated users can crash the server by sending long usernames.

Affected products

• Tigervnc Tigervnc: version 1.7.1 only

Published 2017-04-01. Last modified 2026-06-17.