CVE:CVE-2011-2821
CNNVD:CNNVD-201108-414
Google Chrome是美国谷歌（Google）公司开发的一款Web浏览器。
在Google Chrome 13.0.782.215之前版本中使用的libxml2中存在双重释放漏洞。远程攻击者可借助特制XPath表达式导致拒绝服务，或引起其他未明影响。
solution:Upgrade google chrome to a higher version than 13.0.782.215,and avoid the version (,13.0.782.215); Upgrade debian debian_linux to a higher version than 5.0,6.0,7.0,and avoid the version 5.0,6.0,7.0; Upgrade redhat enterprise_linux_desktop to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_eus to a higher version than 6.3,and avoid the version 6.3; Upgrade redhat enterprise_linux_server to a higher version than 6.0,and avoid the version 6.0; Upgrade redhat enterprise_linux_workstation to a higher version than 6.0,and avoid the version 6.0; Upgrade apple iphone_os to a higher version than 6.0,and avoid the version (,6.0); Upgrade apple mac_os_x to a higher version than 10.7.4,and avoid the version (,10.7.4)