What’s Vulnerable › Vulnerabilities

CVE-2016-0766

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2016-02-17 · updated 2026-06-17
• Weakness: CWE-264

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 does not properly restrict access to unspecified custom configuration settings (GUCS) for PL/Java, which allows attackers to gain privileges via unspecified vectors.

Affected products

• Canonical Ubuntu Linux: 12.04, 14.04, 15.10
• Debian Linux: 7.0, 8.0
• PostgreSQL: from 9.1.0 before 9.1.20; from 9.2 before 9.2.15; from 9.3 before 9.3.11; from 9.4 before 9.4.6; 9.5 — fixed in 9.1.20, 9.2.15, 9.3.11, 9.4.6

How to fix

Upgrade to a fixed version: PostgreSQL 9.1.20, 9.2.15, 9.3.11, 9.4.6. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00049.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00052.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00054.html
• http://lists.opensuse.org/opensuse-security-announce/2016-02/msg00056.html
• http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00016.html
• http://www.debian.org/security/2016/dsa-3475
• http://www.debian.org/security/2016/dsa-3476
• http://www.postgresql.org/about/news/1644/
• http://www.postgresql.org/docs/current/static/release-9-1-20.html
• http://www.postgresql.org/docs/current/static/release-9-2-15.html
• http://www.postgresql.org/docs/current/static/release-9-3-11.html
• http://www.postgresql.org/docs/current/static/release-9-4-6.html

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