Vulnerability in the MySQL Server product of Oracle MySQL (component:
Server: Optimizer). Supported versions that are affected are 5.7.28 and
prior and 8.0.18 and prior. Easily exploitable vulnerability allows high
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 4.9 (Availability
impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H).

leosilva

since 5.5 is no longer upstream supported and so far we cannot patch it, marking it as ignored.