How severe is CVE-2014-0066?

CVE-2014-0066 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2014-0066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2014-0066?

CVE-2014-0066 primarily affects Postgresql. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2014-0066?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2014-0066 published?

CVE-2014-0066 was published on 2014-03-31 and last updated on 2026-06-17.

CVE-2014-0066

CVE-2014-0066 is a medium-severity vulnerability in Postgresql with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Postgresql
Published: 2014-03-31
Last modified: 2026-06-17

Description

The chkpass extension in PostgreSQL before 8.4.20, 9.0.x before 9.0.16, 9.1.x before 9.1.12, 9.2.x before 9.2.7, and 9.3.x before 9.3.3 does not properly check the return value of the crypt library function, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.

Frequently asked questions

What is CVE-2014-0066?: The chkpass extension in PostgreSQL before 8.4.20, 9.0.x before 9.0.16, 9.1.x before 9.1.12, 9.2.x before 9.2.7, and 9.3.x before 9.3.3 does not properly check the return value of the crypt library function, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and crash) via unspecified vectors.
How severe is CVE-2014-0066?: CVE-2014-0066 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2014-0066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2014-0066?: CVE-2014-0066 primarily affects Postgresql. In total, 57 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2014-0066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2014-0066 published?: CVE-2014-0066 was published on 2014-03-31 and last updated on 2026-06-17.

References

Affected products (57)

cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.5:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.6:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.7:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.8:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.9:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.10:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.11:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.12:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.13:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.14:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.15:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.16:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.17:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:8.4.18:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.5:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.6:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.7:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.8:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.9:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.10:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.11:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.12:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.13:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.14:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.0.15:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.1.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.1.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.1.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.1.4:*:*:*:*:*:*:*

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