Security update for LibVNCServer (important)

An update that fixes 9 vulnerabilities is now available.

Description:

This update for LibVNCServer fixes the following issues:

Security issues fixed:

• CVE-2018-15126: Fixed use-after-free in file transfer extension
  (bsc#1120114)
• 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
  (bsc#1120117)
• 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
  (bsc#1120121)
• CVE-2018-20021: Fixed infinite loop in VNC client code (bsc#1120122)

This update was imported from the SUSE:SLE-15: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 15.0:

  zypper in -t patch openSUSE-2019-53=1