Vulnerability in the MySQL Server component of Oracle MySQL (subcomponent: Server: Optimizer). Supported versions that are affected are 5.5.58 and prior, 5.6.38 and prior and 5.7.20 and prior. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.0 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
https://www.debian.org/security/2018/dsa-4341
https://www.debian.org/security/2018/dsa-4091
https://usn.ubuntu.com/3537-2/
https://usn.ubuntu.com/3537-1/
https://security.netapp.com/advisory/ntap-20180117-0002/
https://lists.debian.org/debian-lts-announce/2018/06/msg00015.html
https://lists.debian.org/debian-lts-announce/2018/01/msg00024.html
https://access.redhat.com/errata/RHSA-2019:1258
https://access.redhat.com/errata/RHSA-2018:2729
https://access.redhat.com/errata/RHSA-2018:2439
https://access.redhat.com/errata/RHSA-2018:0587
https://access.redhat.com/errata/RHSA-2018:0586
http://www.securitytracker.com/id/1040216
http://www.securityfocus.com/bid/102681
http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html