CVE-2016-5424

Severity: high (CVSS 7.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2016-12-09 · updated 2026-06-17
Weakness: CWE-94

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.

Affected products

Debian Linux: 8.0
PostgreSQL: through 9.1.22; 9.2, 9.2.1, 9.2.2, 9.2.3, 9.2.4, 9.2.5 (+39)

References

http://rhn.redhat.com/errata/RHSA-2016-1781.html
http://rhn.redhat.com/errata/RHSA-2016-1820.html
http://rhn.redhat.com/errata/RHSA-2016-1821.html
http://rhn.redhat.com/errata/RHSA-2016-2606.html
http://www.debian.org/security/2016/dsa-3646
http://www.securityfocus.com/bid/92435
http://www.securitytracker.com/id/1036617
https://access.redhat.com/errata/RHSA-2017:2425
https://security.gentoo.org/glsa/201701-33
https://www.postgresql.org/about/news/1688/
https://www.postgresql.org/docs/current/static/release-9-1-23.html
https://www.postgresql.org/docs/current/static/release-9-2-18.html

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