CVE-2019-15679: Tightvnc

Critical severity, CVSS 9.8. EPSS: 11.8% chance of exploitation in the next 30 days.

TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.

Affected products

• Tightvnc Tightvnc: version 1.3.10 only

Published 2019-10-29. Last modified 2026-06-17.