CVE:CVE-2019-2683
CNNVD:CNNVD-201904-680
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。
Oracle MySQL中的MySQL Server组件5.6.43及之前版本、5.7.25及之前版本和8.0.15及之前版本的Server: Options子组件存在访问控制错误漏洞。攻击者可利用该漏洞造成拒绝服务（挂起或频繁崩溃），影响数据的可用性。
solution:Upgrade oracle mysql to a higher version than 5.6.43,5.7.25,8.0.15,and avoid the version [5.6.0,5.6.43],[5.7.0,5.7.25],[8.0.0,8.0.15]; Upgrade canonical ubuntu_linux to a higher version than 16.04,18.04,18.10,19.04,and avoid the version 16.04,18.04,18.10,19.04; Upgrade redhat software_collections to a higher version than 1.0,and avoid the version 1.0; Upgrade redhat enterprise_linux to a higher version than 8.0,and avoid the version 8.0; Upgrade redhat enterprise_linux_eus to a higher version than 8.1,8.2,8.4,8.6,and avoid the version 8.1,8.2,8.4,8.6; Upgrade redhat enterprise_linux_server_aus to a higher version than 8.2,8.4,8.6,and avoid the version 8.2,8.4,8.6; Upgrade redhat enterprise_linux_server_tus to a higher version than 8.2,8.4,8.6,and avoid the version 8.2,8.4,8.6