CVE-2016-5423

mediumpriority · track · 35EPSS 0.060 · 93 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

5.96% (93rd) EPSS

CVSS 6.5 · medium

Is it mine?

48 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

8.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.5–8.3

v2.06.5mediumAV:N/AC:L/Au:S/C:P/I:P/A:Pprimary · NVD / NIST USexploitability 8 · impact 6.4

v3.08.3highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.5

v3.07.6highCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-476USprimary

affected products (48)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
debian debian linux= 8.0nvdUScpe:2.3:o:debian:debian_linux:*:*:*:*:*:*:*:*
postgresql postgresql≤ 9.1.22nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.1nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.10nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.11nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.12nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.13nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.14nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.15nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.16nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.17nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.2nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.3nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.4nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.5nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.6nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.7nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
postgresql postgresql= 9.2.8nvdUScpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*

showing 20 of 48

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2016-12-09modified 2026-06-17

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+8782 more

references (42)

External citations — patches, advisories, analysis.

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