CVE:CVE-2018-14599
CNNVD:CNNVD-201808-831
X.Org libX11是X.Org基金会的一个X11（X Window系统）客户端库。
X.Org libX11 1.6.5及之前版本中的ListExt.c文件的‘XListExtensions’函数存在安全漏洞。远程攻击者可借助恶意的服务器响应利用该漏洞造成拒绝服务。
solution:Upgrade x.org libx11 to a higher version than 1.6.5,and avoid the version (,1.6.5]; Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,16.04,18.04,and avoid the version 12.04,14.04,16.04,18.04; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade fedoraproject fedora to a higher version than 28,and avoid the version 28; 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_workstation to a higher version than 7.0,and avoid the version 7.0