An unprivileged database user can remove superuser-only settings that were applied to his account with ALTER USER by a superuser, thus bypassing settings that should be enforced.

Version Information

Affected Version Fixed In
8.4 8.4.4
8.3 8.3.11
8.2 8.2.17
8.1 8.1.21
8.0 8.0.25
7.4 7.4.29

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.