CVE:CVE-2012-1690
CNNVD:CNNVD-201204-393
Oracle MySQL 5.1.61及之前版本和5.5.21及之前版本的MySQL Server组件中存在未明漏洞。远程认证用户可利用该漏洞借助与‘Server Optimizer’相关的未明向量，影响数据的可用性。
solution:Upgrade oracle mysql to a higher version than 5.1.61,5.5.21,and avoid the version [5.1.0,5.1.61],[5.5.0,5.5.21]; Upgrade mariadb mariadb to a higher version than 5.1.62,5.5.22,and avoid the version [5.1.0,5.1.62),[5.5.0,5.5.22); 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