Is CVE-2016-5424 in the CISA KEV catalog?

No. CVE-2016-5424 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2016-5424?

CVE-2016-5424 has a CVSS v3 base score of 7.1 (HIGH).

What is the EPSS score for CVE-2016-5424?

CVE-2016-5424 has an EPSS score of 4.61% (91th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2016-5424?

Upgrade postgresql-9.3 on ubuntu 14.04 to 9.3.14-0ubuntu0.14.04 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2016-5424

HIGHEPSS 91th pctl

7.1

CVSS v3

NVD

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 might allow remote authenticated users with the CREATEDB or CREATEROLE role to gain superuser privileges via a (1) " (double quote), (2) \ (backslash), (3) carriage return, or (4) newline character in a (a) database or (b) role name that is mishandled during an administrative operation.

CWE-94Code Injection

How to fix

Remediation Available

postgresql-9.3Ubuntu

Fixed in:9.3.14-0ubuntu0.14.04USN-3066-1

postgresql-9.5Ubuntu

Fixed in:9.5.4-0ubuntu0.16.04USN-3066-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredLow

User InteractionRequired

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.0/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploit Intelligence

4.61%probability of exploitation in 30 days

91stpercentile

High risk: more likely to be exploited than 91% of all known CVEs.

References

Patch1

postgresql.org

Vendor Advisory5

Third-Party Advisory3

Other references6

Related Vulnerabilities

Other CWE-94 (Code Injection) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2017-9841	Critical	9.8	100%	KEV	Fix
CVE-2015-1635	Critical	9.8	100%	KEV	-
CVE-2022-22954	Critical	9.8	100%	KEV + Ransom	-
CVE-2021-22204	Medium	6.8	100%	KEV	Fix
CVE-2025-3248	Critical	9.8	100%	KEV	Fix
CVE-2012-0158	High	8.8	100%	KEV	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-06.