CVE:CVE-2007-2437
CNNVD:CNNVD-200705-037
X.org X Window System 中的X render (Xrender) extension和Xserver 允许远程认证用户借助提交到(1)XRenderCompositeTrapezoids和(2)XRenderAddTraps函数的特制值，引起拒绝服务攻击(后台程序崩溃)。该特制的值会触发divide-by-zero错误。
solution:Upgrade x.org x_window_system to a higher version than 7.0,7.1,7.2,and avoid the version 7.0,7.1,7.2; Upgrade x.org xserver to a higher version than 1.3.0,and avoid the version (,1.3.0]