MySQL Server Optimizer Component Unspecified Vulnerability

Summary
The host is running MySQL and is prone to unspecified vulnerability.
Impact
Successful exploitation could allow remote authenticated users to affect availability via unknown vectors. Impact Level: Application
Solution
Apply the patch from the below link, http://www.oracle.com/technetwork/topics/security/cpuapr2012-366314.html
Insight
Unspecified error in MySQL Server component related to Server Optimizer.
Affected
MySQL version 5.5.x before 5.5.20
References