CVE:CVE-2018-6170
CNNVD:CNNVD-201807-1868
Google Chrome是美国谷歌（Google）公司开发的一款Web浏览器。PDFium是其中的一个开源PDF渲染引擎。
Google Chrome 68.0.3440.75之前版本中的PDFium存在类型混淆漏洞。远程攻击者可借助特制的PDF文件利用该漏洞在系统上执行任意代码或造成拒绝服务（堆损坏）。
solution:Upgrade google chrome to a higher version than 68.0.3440.75,and avoid the version (,68.0.3440.75); Upgrade debian debian_linux to a higher version than 9.0,and avoid the version 9.0; Upgrade redhat enterprise_linux_desktop to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_server to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_workstation to a higher version than 6.0,and avoid the version 6.0