Public Date:
488156: CVE-2009-0922 postgresql: potential DoS due to conversion functions

The MITRE CVE dictionary describes this issue as:

PostgreSQL before 8.3.7, 8.2.13, 8.1.17, 8.0.21, and 7.4.25 allows remote authenticated users to cause a denial of service (stack consumption and crash) by triggering a failure in the conversion of a localized error message to a client-specified encoding, as demonstrated using mismatched encoding conversion requests.

Find out more about CVE-2009-0922 from the MITRE CVE dictionary dictionary and NIST NVD.


This issue has been addressed in Red Hat Enterprise Linux 4 and 5 via: and in Red Hat Application Stack v2 via:

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 4
Base Metrics AV:N/AC:L/Au:S/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 4 (postgresql) RHSA-2009:1484 2009-10-07
Red Hat Application Stack v2 for Enterprise Linux (v.5) RHSA-2009:1067 2009-05-26
Red Hat Enterprise Linux version 5 (postgresql) RHSA-2009:1484 2009-10-07