Vulnerability Report

CVE-2016-5423

Title: Postgresql RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2016-5423.

CWE Category CWE-476
Published Date Dec 09, 2016
Modified Date May 06, 2026
Exploit Status Not Found
Score 8.3 CVSS v3.0
Exploit Probability (EPSS)
5.96%

Vulnerability Summary

CVE-2016-5423: 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.

Impacted Vendors

P
postgresql 1
A
anynines 1

Reference Links

http://rhn.redhat.com/errata/RHSA-2016-1781.html http://rhn.redhat.com/errata/RHSA-2016-1820.html http://rhn.redhat.com/errata/RHSA-2016-1821.html http://rhn.redhat.com/errata/RHSA-2016-2606.html http://www.debian.org/security/2016/dsa-3646 http://www.securityfocus.com/bid/92433 http://www.securitytracker.com/id/1036617 https://access.redhat.com/errata/RHSA-2017:2425 https://bugzilla.redhat.com/show_bug.cgi?id=1364001 https://security.gentoo.org/glsa/201701-33 https://www.postgresql.org/about/news/1688/ https://www.postgresql.org/docs/current/static/release-9-1-23.html https://www.postgresql.org/docs/current/static/release-9-2-18.html https://www.postgresql.org/docs/current/static/release-9-3-14.html https://www.postgresql.org/docs/current/static/release-9-4-9.html https://www.postgresql.org/docs/current/static/release-9-5-4.html http://rhn.redhat.com/errata/RHSA-2016-1781.html http://rhn.redhat.com/errata/RHSA-2016-1820.html http://rhn.redhat.com/errata/RHSA-2016-1821.html http://rhn.redhat.com/errata/RHSA-2016-2606.html http://www.debian.org/security/2016/dsa-3646 http://www.securityfocus.com/bid/92433 http://www.securitytracker.com/id/1036617 https://access.redhat.com/errata/RHSA-2017:2425 https://bugzilla.redhat.com/show_bug.cgi?id=1364001 https://security.gentoo.org/glsa/201701-33 https://www.postgresql.org/about/news/1688/ https://www.postgresql.org/docs/current/static/release-9-1-23.html https://www.postgresql.org/docs/current/static/release-9-2-18.html https://www.postgresql.org/docs/current/static/release-9-3-14.html https://www.postgresql.org/docs/current/static/release-9-4-9.html https://www.postgresql.org/docs/current/static/release-9-5-4.html
CVSS v3.0
Source Entity [email protected]
Severity HIGH
8.3
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:S/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2016-5423 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H

Affected Stack

No specific products linked.