VULNERABILITY INTELLIGENCE

CVE-2016-5423

CVSS score8.3 HIGH
EPSS probability5.96%
CISA KEVNot currently listed
Published2016-12-09
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

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.

Weakness classification

  • CWE-476: NULL Pointer Dereference

Primary references