Hiroki Matsukuma discovered that the PDF interpreter in Ghostscript did not properly restrict privileged calls when ‘-dSAFER’ restrictions were in effect. If a user or automated system were tricked into processing a specially crafted file, a remote attacker could possibly use this issue to access arbitrary files. (CVE-2019-14811, CVE-2019-14812, CVE-2019-14813, CVE-2019-14817)
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