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A flaw was found in, ghostscript versions prior to 9.28, in the .pdf_hook_DSC_Creator procedure where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. A specially crafted PostScript file could disable security protection and then have access to the file system, or execute arbitrary commands. A flaw was found in, ghostscript versions prior to 9.28, in the .pdfexectoken and other procedures where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. A specially crafted PostScript file could disable security protection and then have access to the file system, or execute arbitrary commands. References: https://nvd.nist.gov/vuln/detail/CVE-2019-14811 https://nvd.nist.gov/vuln/detail/CVE-2019-14817 Upstream patches: http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=885444fcbe10dc42787ecb76686c8ee4dd33bf33 http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=cd1b1cacadac2479e291efe611979bdc1b3bdb19 (From OE-Core rev: 1533b92848ea73d6fe6ba22d87d7b6749b47842c) Signed-off-by: Stefan Ghinea <stefan.ghinea@windriver.com> Signed-off-by: Ross Burton <ross.burton@intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>