openSUSE-SU-2019:0045-1: important: Security update for LibVNCServer

openSUSE Security Update: Security update for LibVNCServer

Announcement ID: openSUSE-SU-2019:0045-1
Rating: important
References: #1120114 #1120115 #1120116 #1120117 #1120118
#1120119 #1120120 #1120121 #1120122
Cross-References: CVE-2018-15126 CVE-2018-15127 CVE-2018-20019
CVE-2018-20020 CVE-2018-20021 CVE-2018-20022
CVE-2018-20023 CVE-2018-20024 CVE-2018-6307

Affected Products:
openSUSE Leap 42.3

An update that fixes 9 vulnerabilities is now available.


This update for LibVNCServer fixes the following issues:

Security issues fixed:

– CVE-2018-15126: Fixed use-after-free in file transfer extension
– CVE-2018-6307: Fixed use-after-free in file transfer extension server
code (bsc#1120115)
– CVE-2018-20020: Fixed heap out-of-bound write inside structure in VNC
client code (bsc#1120116)
– CVE-2018-15127: Fixed heap out-of-bounds write in rfbserver.c
– CVE-2018-20019: Fixed multiple heap out-of-bound writes in VNC client
code (bsc#1120118)
– CVE-2018-20023: Fixed information disclosure through improper
initialization in VNC Repeater client code (bsc#1120119)
– CVE-2018-20022: Fixed information disclosure through improper
initialization in VNC client code (bsc#1120120)
– CVE-2018-20024: Fixed NULL pointer dereference in VNC client code
– CVE-2018-20021: Fixed infinite loop in VNC client code (bsc#1120122)

This update was imported from the SUSE:SLE-12:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

– openSUSE Leap 42.3:

zypper in -t patch openSUSE-2019-45=1

Package List:

– openSUSE Leap 42.3 (i586 x86_64):



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