CVE-2016-5424
UnknownEPSS 4.65%
Last modified
CVE-2016-5424 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 4.65% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Debian | Debian Linux | 8.0 |
| Postgresql | Postgresql | <= 9.1.22 |
| Postgresql | Postgresql | 9.2 |
| Postgresql | Postgresql | 9.2.1 |
| Postgresql | Postgresql | 9.2.2 |
| Postgresql | Postgresql | 9.2.3 |
| Postgresql | Postgresql | 9.2.4 |
| Postgresql | Postgresql | 9.2.5 |
| Postgresql | Postgresql | 9.2.6 |
| Postgresql | Postgresql | 9.2.7 |
| Postgresql | Postgresql | 9.2.8 |
| Postgresql | Postgresql | 9.2.9 |
| Postgresql | Postgresql | 9.2.10 |
| Postgresql | Postgresql | 9.2.11 |
| Postgresql | Postgresql | 9.2.12 |
| Postgresql | Postgresql | 9.2.13 |
| Postgresql | Postgresql | 9.2.14 |
| Postgresql | Postgresql | 9.2.15 |
| Postgresql | Postgresql | 9.2.16 |
| Postgresql | Postgresql | 9.2.17 |
| Postgresql | Postgresql | 9.3 |
| Postgresql | Postgresql | 9.3.1 |
| Postgresql | Postgresql | 9.3.2 |
| Postgresql | Postgresql | 9.3.3 |
| Postgresql | Postgresql | 9.3.4 |
| Postgresql | Postgresql | 9.3.5 |
| Postgresql | Postgresql | 9.3.6 |
| Postgresql | Postgresql | 9.3.7 |
| Postgresql | Postgresql | 9.3.8 |
| Postgresql | Postgresql | 9.3.9 |
| Postgresql | Postgresql | 9.3.10 |
| Postgresql | Postgresql | 9.3.11 |
| Postgresql | Postgresql | 9.3.12 |
| Postgresql | Postgresql | 9.3.13 |
| Postgresql | Postgresql | 9.4 |
| Postgresql | Postgresql | 9.4.1 |
| Postgresql | Postgresql | 9.4.2 |
| Postgresql | Postgresql | 9.4.3 |
| Postgresql | Postgresql | 9.4.4 |
| Postgresql | Postgresql | 9.4.5 |
| Postgresql | Postgresql | 9.4.6 |
| Postgresql | Postgresql | 9.4.7 |
| Postgresql | Postgresql | 9.4.8 |
| Postgresql | Postgresql | 9.5 |
| Postgresql | Postgresql | 9.5.1 |
| Postgresql | Postgresql | 9.5.2 |
| Postgresql | Postgresql | 9.5.3 |
References
- http://www.debian.org/security/2016/dsa-3646Third Party Advisory
- http://www.securityfocus.com/bid/92435Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036617Third Party Advisory, VDB Entry
- https://www.postgresql.org/about/news/1688/Patch, Third Party Advisory, VDB Entry
- https://www.postgresql.org/docs/current/static/release-9-1-23.htmlRelease Notes, Vendor Advisory
- https://www.postgresql.org/docs/current/static/release-9-2-18.htmlRelease Notes, Vendor Advisory
- https://www.postgresql.org/docs/current/static/release-9-3-14.htmlRelease Notes, Vendor Advisory
- https://www.postgresql.org/docs/current/static/release-9-4-9.htmlRelease Notes, Vendor Advisory
- https://www.postgresql.org/docs/current/static/release-9-5-4.htmlRelease Notes, Vendor Advisory
- http://www.debian.org/security/2016/dsa-3646Third Party Advisory
- http://www.securityfocus.com/bid/92435Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1036617Third Party Advisory, VDB Entry
- https://www.postgresql.org/about/news/1688/Patch, Third Party Advisory, VDB Entry
- https://www.postgresql.org/docs/current/static/release-9-1-23.htmlRelease Notes, Vendor Advisory
- https://www.postgresql.org/docs/current/static/release-9-2-18.htmlRelease Notes, Vendor Advisory
- https://www.postgresql.org/docs/current/static/release-9-3-14.htmlRelease Notes, Vendor Advisory
- https://www.postgresql.org/docs/current/static/release-9-4-9.htmlRelease Notes, Vendor Advisory
- https://www.postgresql.org/docs/current/static/release-9-5-4.htmlRelease Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2016-5424?
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.
How severe is CVE-2016-5424?
Severity scoring for CVE-2016-5424 is pending analysis. The EPSS model estimates a 4.65% probability of exploitation in the next 30 days.
How do I fix CVE-2016-5424?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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