Rapid7

vulnerability

FreeBSD: VID-b34c1947-a749-11ed-b24b-1c61b4739ac9 (CVE-2019-15680): TightVNC -- Muliple Vulnerabilities

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
Published
Feb 8, 2023
Added
Feb 9, 2023
Modified
Mar 25, 2026

Description

MITRE reports: TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity. TightVNC code version 1.3.10 contains global buffer overflow in HandleCoRREBBP macro function, which can potentially result code execution. This attack appear to be exploitable via network connectivity. 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. TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.

Solution

freebsd-upgrade-package-tightvnc
Title
Rapid7 Labs

2026 Global Threat Landscape Report

The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.