CVE:CVE-2015-2787
CNNVD:CNNVD-201503-627
PHP（PHP：Hypertext Preprocessor，PHP：超文本预处理器）是PHP Group和开放源代码社区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。
PHP的ext/standard/var_unserializer.re文件中的‘process_nested_data’函数存在释放后重用漏洞。远程攻击者可利用该漏洞执行任意代码。
solution:Upgrade php php to a higher version than 5.4.38,5.5.0,5.5.0:alpha1,5.5.0:alpha2,5.5.0:alpha3,5.5.0:alpha4,5.5.0:alpha5,5.5.0:alpha6,5.5.0:beta1,5.5.0:beta2,5.5.0:beta3,5.5.0:beta4,5.5.0:rc1,5.5.0:rc2,5.5.1,5.5.2,5.5.3,5.5.4,5.5.5,5.5.6,5.5.7,5.5.8,5.5.9,5.5.10,5.5.11,5.5.12,5.5.13,5.5.14,5.5.15,5.5.16,5.5.17,5.5.18,5.5.19,5.5.20,5.5.21,5.5.22,5.6.0:alpha1,5.6.0:alpha2,5.6.0:alpha3,5.6.0:alpha4,5.6.0:alpha5,5.6.0:beta1,5.6.0:beta2,5.6.0:beta3,5.6.0:beta4,5.6.1,5.6.2,5.6.3,5.6.4,5.6.5,5.6.6,and avoid the version (,5.4.38],5.5.0,5.5.0:alpha1,5.5.0:alpha2,5.5.0:alpha3,5.5.0:alpha4,5.5.0:alpha5,5.5.0:alpha6,5.5.0:beta1,5.5.0:beta2,5.5.0:beta3,5.5.0:beta4,5.5.0:rc1,5.5.0:rc2,5.5.1,5.5.2,5.5.3,5.5.4,5.5.5,5.5.6,5.5.7,5.5.8,5.5.9,5.5.10,5.5.11,5.5.12,5.5.13,5.5.14,5.5.15,5.5.16,5.5.17,5.5.18,5.5.19,5.5.20,5.5.21,5.5.22,5.6.0:alpha1,5.6.0:alpha2,5.6.0:alpha3,5.6.0:alpha4,5.6.0:alpha5,5.6.0:beta1,5.6.0:beta2,5.6.0:beta3,5.6.0:beta4,5.6.1,5.6.2,5.6.3,5.6.4,5.6.5,5.6.6; Upgrade apple mac_os_x to a higher version than 10.6.8,10.9.5,10.10.0,10.10.1,10.10.2,10.10.3,10.10.4,and avoid the version (,10.6.8],10.9.5,10.10.0,10.10.1,10.10.2,10.10.3,10.10.4; 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_hpc_node_eus to a higher version than 7.1,and avoid the version 7.1; Upgrade redhat enterprise_linux_server to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server_eus to a higher version than 7.1,and avoid the version 7.1; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0; Upgrade opensuse opensuse to a higher version than 13.1,13.2,and avoid the version 13.1,13.2