How severe is CVE-2016-0773?

CVE-2016-0773 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-0773 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-0773?

CVE-2016-0773 primarily affects Postgresql. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-0773?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2016-0773 published?

CVE-2016-0773 was published on 2016-02-17 and last updated on 2026-06-17.

CVE-2016-0773

CVE-2016-0773 is a high-severity vulnerability in Postgresql with a CVSS 3.x base score of 7.5. 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-119.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Postgresql
Published: 2016-02-17
Last modified: 2026-06-17

Description

PostgreSQL before 9.1.20, 9.2.x before 9.2.15, 9.3.x before 9.3.11, 9.4.x before 9.4.6, and 9.5.x before 9.5.1 allows remote attackers to cause a denial of service (infinite loop or buffer overflow and crash) via a large Unicode character range in a regular expression.

Frequently asked questions

What is CVE-2016-0773?: PostgreSQL before 9.1.20, 9.2.x before 9.2.15, 9.3.x before 9.3.11, 9.4.x before 9.4.6, and 9.5.x before 9.5.1 allows remote attackers to cause a denial of service (infinite loop or buffer overflow and crash) via a large Unicode character range in a regular expression.
How severe is CVE-2016-0773?: CVE-2016-0773 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-0773 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-0773?: CVE-2016-0773 primarily affects Postgresql. In total, 28 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-0773?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2016-0773 published?: CVE-2016-0773 was published on 2016-02-17 and last updated on 2026-06-17.

References

Affected products (28)

cpe:2.3:a:postgresql:postgresql:*:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.5:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.6:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.7:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.8:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.9:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.10:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.11:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.12:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.13:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.2.14:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.4.1:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.4.2:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.4.3:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.4.4:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.4.5:*:*:*:*:*:*:*
cpe:2.3:a:postgresql:postgresql:9.5:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:15.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*

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