CVE:CVE-2017-15412
CNNVD:CNNVD-201710-663
Libxml2是GNOME项目组所研发的一个基于C语言的用来解析XML文档的函数库，它支持多种编码格式、Xpath解析、Well-formed和valid验证等。
Libxml2 2.9.5之前版本（使用在Google Chrome 63.0.3239.84版本和其他产品）中存在释放后重用漏洞。远程攻击者可借助特制的HTML页面利用该漏洞造成堆损坏。
solution:Upgrade redhat enterprise_linux_desktop to a higher version than 6.0,and avoid the version 6.0; 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 debian debian_linux to a higher version than 7.0,8.0,9.0,and avoid the version 7.0,8.0,9.0; Upgrade google chrome to a higher version than 63.0.3239.84,and avoid the version (,63.0.3239.84); Upgrade xmlsoft libxml2 to a higher version than 2.9.5,and avoid the version (,2.9.5)