Closes the following CVEs: CVE-2018-7050 https://nvd.nist.gov/vuln/detail/CVE-2018-7050 CVE-2018-7051 https://nvd.nist.gov/vuln/detail/CVE-2018-7051 CVE-2018-7052 https://nvd.nist.gov/vuln/detail/CVE-2018-7052 CVE-2018-7053 https://nvd.nist.gov/vuln/detail/CVE-2018-7053 CVE-2018-7054 https://nvd.nist.gov/vuln/detail/CVE-2018-7054 Signed-off-by: Peter Wagner <tripolar@gmx.at>