ghostscript: Attempting to open a carefully crafted PDF file results in long-running computation. Attempting to open a carefully crafted PDF results in a long-running computation. The page tree nodes are deeply nested where a child page tree node may be a descendent of multiple parents. Upstream bug:https://bugs.ghostscript.com/show_bug.cgi?id=699856 Upstream fix: http://git.ghostscript.com/?p=ghos dl.git;a=comm tdiff;h=0a7e5a1c309fa0911b89fa40996a7d55d90bace https://nvd.nist.gov/vuln/detail/CVE-2018-19478
