CVE:CVE-2014-8241
CNNVD:CNNVD-201410-1273
TigerVNC是一个VNC（虚拟网络计算机）的实现，它允许用户在远程计算机上启动并且支持与图形应用程序交互等。
TigerVNC中的Xregion存在安全漏洞。远程VNC服务器端的攻击者可借助特制的返回值利用该漏洞造成拒绝服务（空指针逆向）。
solution:Upgrade tigervnc tigervnc to a higher version than -; Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_hpc_node 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