It is possible to cause a momentary denial of service when there is a failure to convert a localized error message to the client-specified encoding. A valid login is required to exploit this vulnerability.

Version Information

Affected Version Fixed In
8.3 8.3.7
8.2 8.2.13
8.1 8.1.17
8.0 8.0.21
7.4 7.4.25

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.