CVE:CVE-2015-1243
CNNVD:CNNVD-201504-597
Google Chrome是美国谷歌（Google）公司开发的一款Web浏览器。Blink是美国谷歌（Google）公司和挪威欧朋（Opera Software）公司共同开发的一套浏览器排版引擎（渲染引擎）。
Google Chrome 42.0.2311.87及之前版本中使用的Blink的DOM实现过程中的core/dom/MutationObserver.cpp文件中的‘MutationObserver::disconnect’函数存在释放后重用漏洞。远程攻击者可通过尝试注销未正确注册的MutationObserver对象，利用该漏洞造成拒绝服务。
solution:Upgrade google chrome to a higher version than 42.0.2311.87,and avoid the version (,42.0.2311.87]; Upgrade debian debian_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade canonical ubuntu_linux to a higher version than 14.04,14.10,15.04,and avoid the version 14.04,14.10,15.04; Upgrade redhat enterprise_linux_desktop_supplementary to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_server_supplementary to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_server_supplementary_eus to a higher version than 6.6.z,and avoid the version 6.6.z; Upgrade redhat enterprise_linux_workstation_supplementary to a higher version than 6.0,and avoid the version 6.0