Buffer overflow

Vulnerability in the Oracle Database - Enterprise Edition Sharding component of Oracle Database Server. For supported versions that are affected see note. Easily exploitable vulnerability allows low privileged attacker having Local Logon privilege with logon to the infrastructure where Oracle Database - Enterprise Edition Sharding executes to compromise Oracle Database - Enterprise Edition Sharding. While the vulnerability is in Oracle Database - Enterprise Edition Sharding, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in takeover of Oracle Database - Enterprise Edition Sharding. Note: None of the supported versions are affected. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H).