Unspecified vulnerability in Oracle MySQL 5.5.46 and earlier, 5.6.27 and earlier, and 5.7.9 and MariaDB before 5.5.47, 10.0.x before 10.0.23, and 10.1.x before 10.1.10 allows remote authenticated users to affect availability via unknown vectors related to Optimizer.
Exploitability
AV:NAC:LAu:SImpact
C:NI:NA:P4/AV:N/AC:L/Au:S/C:N/I:N/A:P