CVE:CVE-2018-15911
CNNVD:CNNVD-201808-903
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 2018-08-24之前的9.23版本中存在缓冲区错误漏洞。该漏洞源于网络系统或产品在内存上执行操作时，未正确验证数据边界，导致向关联的其他内存位置上执行了错误的读写操作。攻击者可利用该漏洞导致缓冲区溢出或堆溢出等。
solution:Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,and avoid the version 14.04,16.04,18.04; Upgrade artifex ghostscript to a higher version than 9.23,and avoid the version (,9.23]; Upgrade artifex gpl_ghostscript to a higher version than 9.26,and avoid the version (,9.26); Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server_aus to a higher version than 7.6,and avoid the version 7.6; Upgrade redhat enterprise_linux_server_eus to a higher version than 7.6,and avoid the version 7.6; Upgrade redhat enterprise_linux_server_tus to a higher version than 7.6,and avoid the version 7.6; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0; Upgrade pulsesecure pulse_connect_secure to a higher version than 8.2r12.1,8.3r7.1,9.0r3.4,and avoid the version [8.2r1.0,8.2r12.1),[8.3r1,8.3r7.1),[9.0r1,9.0r3.4)