Gentoo Linux Security Advisory 201811-12 - Multiple vulnerabilities have been found in GPL Ghostscript, the worst of which could result in the execution of arbitrary code. Versions prior to 9.26 are affected.
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Debian Linux Security Advisory 3986-1 - Several vulnerabilities were discovered in Ghostscript, the GPL PostScript/PDF interpreter, which may result in denial of service if a specially crafted Postscript file is processed.
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