CVE:CVE-2018-2665
CNNVD:CNNVD-201801-701
Oracle MySQL是美国甲骨文（Oracle）公司的一套开源的关系数据库管理系统。MySQL Server是其中的一个数据库服务器组件。Server: Optimizer是其中的一个最优控制器。
Oracle MySQL中的MySQL Server组件5.5.58及之前版本、5.6.38及之前版本和5.7.20及之前版本的Server: Optimizer子组件存在安全漏洞。攻击者可利用该漏洞造成拒绝服务（组件挂起和频繁崩溃），影响数据的可用性。
solution:Upgrade oracle mysql to a higher version than 5.5.58,5.6.38,5.7.20,and avoid the version [5.5.0,5.5.58],[5.6.0,5.6.38],[5.7.0,5.7.20]; Upgrade mariadb mariadb to a higher version than 5.5.59,10.0.34,10.1.31,10.2.13,and avoid the version [5.5.0,5.5.59),[10.0.0,10.0.34),[10.1.0,10.1.31),[10.2.0,10.2.13); 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 canonical ubuntu_linux to a higher version than 12.04,14.04,16.04,17.10,and avoid the version 12.04,14.04,16.04,17.10; netapp active_iq_unified_manager avoid the version [7.3,),[9.5,),no fixed version after 7.3,no fixed version after 9.5; Upgrade netapp oncommand_insight to a higher version than -; Upgrade netapp oncommand_workflow_automation to a higher version than -; Upgrade netapp snapcenter to a higher version than -; Upgrade redhat openstack to a higher version than 12,and avoid the version 12; Upgrade redhat enterprise_linux_desktop to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_eus to a higher version than 7.5,7.6,7.7,and avoid the version 7.5,7.6,7.7; Upgrade redhat enterprise_linux_server to a higher version than 7.0,and avoid the version 7.0; Upgrade redhat enterprise_linux_server_aus to a higher version than 7.6,7.7,and avoid the version 7.6,7.7; Upgrade redhat enterprise_linux_server_tus to a higher version than 7.6,7.7,and avoid the version 7.6,7.7; Upgrade redhat enterprise_linux_workstation to a higher version than 7.0,and avoid the version 7.0