SUSE-SU-2017:0304-1 Security update for gnutls

This update for gnutls fixes the following issues: - Malformed asn1 definitions could cause a segmentation fault in the asn1 definition parser bsc961491. - CVE-2016-8610: Remote denial of service in SSL alert handling bsc1005879. - CVE-2017-5335: Decoding a specially crafted OpenPGP certificate...