CVE:CVE-2020-16303
CNNVD:CNNVD-202008-718
Artifex Software Ghostscript是美国Artifex Software公司的一款开源的PostScript（一种用于电子产业和桌面出版领域的页面描述语言和编程语言）解析器。该产品可显示Postscript文件以及在非Postscript打印机上打印Postscript文件。
Artifex Software Ghostscript v9.50版本中的devices/vector/gdevxps.c文件的xps_finish_image_path()存在资源管理错误漏洞。攻击者可利用该漏洞提升权限。
solution:Upgrade artifex ghostscript to a higher version than 9.50,and avoid the version 9.50; Upgrade debian debian_linux to a higher version than 9.0,10.0,and avoid the version 9.0,10.0; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,20.04,and avoid the version 16.04,18.04,20.04