CVE:CVE-2020-16304
CNNVD:CNNVD-202008-721
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base/gxicolor.c文件的image_render_color_thresh()存在缓冲区错误漏洞。攻击者可借助特制的eps文件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