Buffer overflow

Vulnerability in the Oracle Text component of Oracle Database Server. Supported versions that are affected are 11.2.0.4, 12.1.0.2 and 12.2.0.1. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Text. Successful attacks require human interaction from a person other than the attacker and while the vulnerability is in Oracle Text, attacks may significantly impact additional products. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Text as well as unauthorized update, insert or delete access to some of Oracle Text accessible data. CVSS 3.0 Base Score 8.2 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:H).