This update for LibVNCServer fixes the following issues:

Security issues fixed:

- CVE-2018-20749: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123828)
- CVE-2018-20750: Fixed a heap out of bounds write vulnerability in rfbserver.c (bsc#1123832)
- CVE-2018-20748: Fixed multiple heap out-of-bound writes in VNC client code (bsc#1123823)