CVE:CVE-2019-11038
CNNVD:CNNVD-201906-540
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHPGroup和开放源代码社区的共同维护的一种开源的通用计算机脚本语言。该语言主要用于Web开发，支持多种数据库及操作系统。GD Graphics Library是使用在其中的一个开源的用于动态创建图像的库。
PHP中的GD Graphics Library 2.2.5版本的'gdImageCreateFromXbm()'函数存在输入验证错误漏洞。攻击者可利用该漏洞获取栈中的内容。以下产品及版本受到影响：PHP 7.1.30之前的7.1.x版本，7.2.19之前的7.2.x版本，7.3.6之前的7.3.x版本。
solution:Upgrade libgd libgd to a higher version than 2.2.5,and avoid the version 2.2.5; Upgrade php php to a higher version than 7.1.30,7.2.19,7.3.6,and avoid the version [7.1.0,7.1.30),[7.2.0,7.2.19),[7.3.0,7.3.6); Upgrade canonical ubuntu_linux to a higher version than 14.04,16.04,18.04,19.10,and avoid the version 14.04,16.04,18.04,19.10; Upgrade debian debian_linux to a higher version than 8.0,9.0,and avoid the version 8.0,9.0; Upgrade fedoraproject fedora to a higher version than 29,30,32,and avoid the version 29,30,32; Upgrade suse linux_enterprise_debuginfo to a higher version than 11:sp4,and avoid the version 11:sp4; Upgrade opensuse leap to a higher version than 15.1,and avoid the version 15.1; Upgrade suse linux_enterprise_desktop to a higher version than 12:sp4,and avoid the version 12:sp4; Upgrade suse linux_enterprise_server to a higher version than 12:sp4,12:sp5,and avoid the version 12:sp4,12:sp5; Upgrade suse linux_enterprise_software_development_kit to a higher version than 12:sp4,12:sp5,and avoid the version 12:sp4,12:sp5; Upgrade suse linux_enterprise_workstation_extension to a higher version than 12:sp4,12:sp5,and avoid the version 12:sp4,12:sp5; Upgrade redhat software_collections to a higher version than 1.0,and avoid the version 1.0; Upgrade redhat enterprise_linux to a higher version than 7.0,8.0,and avoid the version 7.0,8.0