CVE:CVE-2018-20662
CNNVD:CNNVD-201901-049
Poppler是一个用于生成PDF的C++类库，该库是从Xpdf（PDF阅读器）继承而来。
Poppler 0.72.0版本中的PDFDoc.cc文件的PDFDoc::setup存在安全漏洞，该漏洞源于程序错误的处理了xref数据结构。攻击者可利用该漏洞造成拒绝服务（应用程序崩溃）。
solution:Upgrade freedesktop poppler to a higher version than 0.72.0,and avoid the version 0.72.0; Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0; Upgrade fedoraproject fedora to a higher version than 28,29,30,and avoid the version 28,29,30; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,18.10,19.04,and avoid the version 16.04,18.04,18.10,19.04; Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_eus to a higher version than 8.1,8.2,8.4,8.6,and avoid the version 8.1,8.2,8.4,8.6; 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 8.2,8.4,8.6,and avoid the version 8.2,8.4,8.6; Upgrade redhat enterprise_linux_server_tus to a higher version than 8.2,8.4,8.6,and avoid the version 8.2,8.4,8.6; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0