Security update for ghostscript

Open Source Vulnerabilities SUSE-SU-2019:2460-1

This update for ghostscript fixes the following issues: Security issues fixed: - CVE-2019-3835: Fixed an unauthorized file system access caused by an available superexec operator. (bsc#1129180) - CVE-2019-3839: Fixed an unauthorized file system access caused by available privileged operators. (bsc#1134156) - CVE-2019-12973: Fixed a denial-of-service vulnerability in the OpenJPEG function opj_t1_encode_cblks. (bsc#1140359) - CVE-2019-14811: Fixed a safer mode bypass by .forceput exposure in .pdf_hook_DSC_Creator. (bsc#1146882) - CVE-2019-14812: Fixed a safer mode bypass by .forceput exposure in setuserparams. (bsc#1146882) - CVE-2019-14813: Fixed a safer mode bypass by .forceput exposure in setsystemparams. (bsc#1146882) - CVE-2019-14817: Fixed a safer mode bypass by .forceput exposure in .pdfexectoken and other procedures. (bsc#1146884)