DBLink functions combined with local trust or ident access control could be used by a malicious user togain superuser privileges. A valid login is required to exploit this vulnerability.

Version Information

Affected Version Fixed In
8.2 8.2.6
8.1 8.1.11
8.0 8.0.15
7.4 7.4.19
7.3 7.3.21

For more information about PostgreSQL versioning, please visit the versioning page.

Reporting Security Vulnerabilities

If you wish to report a new security vulnerability in PostgreSQL, please send an email to

For reporting non-security bugs, please see the Report a Bug page.