Untrusted Pointer Dereference Affecting postgresql-pltcl package, versions <0:9.2.18-1.el7


Severity

Recommended
medium

Based on CentOS security rating.

Threat Intelligence

EPSS
0.69% (81st percentile)

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  • Snyk IDSNYK-CENTOS7-POSTGRESQLPLTCL-2075210
  • published26 Jul 2021
  • disclosed11 Aug 2016

Introduced: 11 Aug 2016

CVE-2016-5423  (opens in a new tab)
CWE-822  (opens in a new tab)

How to fix?

Upgrade Centos:7 postgresql-pltcl to version 0:9.2.18-1.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream postgresql-pltcl package and not the postgresql-pltcl package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

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.