CVE:CVE-2016-6207
CNNVD:CNNVD-201607-1068
GD Graphics Library（又名libgd或libgd2）是美国软件开发者Thomas Boutell所研发的一个开源的用于动态创建图像的库，它支持创建图表、图形和缩略图等。
GD Graphics Library 2.2.3之前的版本中的gd_interpolation.c文件中的‘_gdContributionsAlloc’函数存在整数溢出漏洞。远程攻击者可利用该漏洞造成拒绝服务（越边界内存写入或内存消耗）。
solution:Upgrade libgd libgd to a higher version than 2.2.2,and avoid the version (,2.2.2]; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade opensuse leap to a higher version than 42.1,and avoid the version 42.1; Upgrade php php to a higher version than 5.5.38,5.6.24,7.0.9,and avoid the version [5.5.0,5.5.38),[5.6.0,5.6.24),[7.0.0,7.0.9)