Rapid7

vulnerability

CentOS Linux: CVE-2018-21247: Moderate: libvncserver security update (CESA-2021:1811)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:P/I:N/A:N)
Published
Jun 17, 2020
Added
Jun 1, 2021
Modified
May 25, 2023

Description

An issue was discovered in LibVNCServer before 0.9.13. There is an information leak (of uninitialized memory contents) in the libvncclient/rfbproto.c ConnectToRFBRepeater function.

Solutions

centos-upgrade-libvncservercentos-upgrade-libvncserver-debuginfocentos-upgrade-libvncserver-debugsource
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.