How severe is CVE-2016-5423?

This vulnerability has a severity rating of HIGH with a CVSS score of 8.3 out of 10.

What type of vulnerability is CVE-2016-5423?

This is classified as CWE-476, which is a common weakness in software security.

CVE-2016-5423 - HIGH Severity | CVSS 8.3

Vulnerability Description

PostgreSQL before 9.1.23, 9.2.x before 9.2.18, 9.3.x before 9.3.14, 9.4.x before 9.4.9, and 9.5.x before 9.5.4 allow remote authenticated users to cause a denial of service (NULL pointer dereference and server crash), obtain sensitive memory information, or possibly execute arbitrary code via (1) a CASE expression within the test value subexpression of another CASE or (2) inlining of an SQL function that implements the equality operator used for a CASE expression involving values of different types.

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