CVE-2017-15098 PostgreSQL Memory Disclosure Vulnerability.

PostgreSQL, often simply Postgres, is an object-relational database management system (ORDBMS).

Following vulnerabilities are fixed:
CVE-2017-15098: Memory disclosure in JSON functions

Affected Versions:
PostgreSQL 10.x before 10.1, 9.6.x before 9.6.6, 9.5.x before 9.5.10, 9.4.x before 9.4.15, and 9.3.x before 9.3.20

QID Detection Logic(Authenticated)
This checks for vulnerable versions of PostgreSQL.

On successful exploitation attacker can crash the server or disclose a few bytes of server memory.

Vendor has released fix. Refer advisory here

Patch:
Following are links for downloading patches to fix the vulnerabilities:

PostgreSQL: Windows