SUSE-SU-2018:4155-1 Security update for ovmf

This update for ovmf fixes the following issues: Security issues fixed: - CVE-2018-3613: Fixed AuthVariable Timestamp zeroing issue on APPENDWRITE bsc1115916. - CVE-2017-5731: Fixed privilege escalation via processing of malformed files in TianoCompress.c bsc1115917. - CVE-2017-5732: Fixed...