CVE:CVE-2014-2497
CNNVD:CNNVD-201403-403
libGD（又名GD Graphics Library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。
PHP 5.4.26及之前版本中使用的libgd中的gdxpm.c文件的‘gdImageCreateFromXpm’函数存在安全漏洞。远程攻击者可借助XPM文件中特制的color表利用该漏洞造成拒绝服务（空指针逆向引用和应用程序崩溃）。
solution:Upgrade php php to a higher version than 5.4.32,5.5.16,and avoid the version (,5.4.32),[5.5.0,5.5.16); Upgrade canonical ubuntu_linux to a higher version than 12.04,14.04,15.10,16.04,and avoid the version 12.04,14.04,15.10,16.04; Upgrade suse linux_enterprise_server to a higher version than 11:sp2,11:sp3,and avoid the version 11:sp2,11:sp3; Upgrade suse linux_enterprise_software_development_kit to a higher version than 11:sp3,and avoid the version 11:sp3; Upgrade redhat enterprise_linux_desktop to a higher version than 6.0,7.0,and avoid the version 6.0,7.0; Upgrade redhat enterprise_linux_eus to a higher version than 6.5,7.3,7.4,7.5,7.6,7.7,and avoid the version 6.5,7.3,7.4,7.5,7.6,7.7; Upgrade redhat enterprise_linux_server to a higher version than 6.0,7.0,and avoid the version 6.0,7.0; Upgrade redhat enterprise_linux_server_aus to a higher version than 6.5,7.3,7.6,and avoid the version 6.5,7.3,7.6; Upgrade redhat enterprise_linux_server_tus to a higher version than 6.5,7.3,7.6,7.7,and avoid the version 6.5,7.3,7.6,7.7; Upgrade redhat enterprise_linux_workstation to a higher version than 6.0,7.0,and avoid the version 6.0,7.0; Upgrade debian debian_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0; Upgrade oracle solaris to a higher version than 11.2,and avoid the version 11.2