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PostgreSQL 9.2.x before 9.2.3, 9.1.x before 9.1.8, 9.0.x before 9.0.12, 8.4.x before 8.4.16, and 8.3.x before 8.3.23 does not properly declare the enum_recv function in backend/utils/adt/enum.c, which causes it to be invoked with incorrect arguments and allows remote authenticated users to cause a denial of service (server crash) or read sensitive process memory via a crafted SQL command, which triggers an array index error and an out-of-bounds read.

Details Source



This issue did not affect the version of postgresql, as shipped with Red Hat Enterprise Linux 5. This issue affects the version of postgresql84, as shipped with Red Hat Enterprise Linux 5 and the version of postgresql, as shipped with Red Hat Enterprise Linux 6. Red Hat Security Response Team has rated this issue as having moderate security impact. A future update might address this flaw. For additional information, refer to the Issue Severity Classification:

Public Date

2013-02-07 00:00:00




CVE-2013-0255 postgresql: array indexing error in enum_recv()

Bugzilla ID

907 892

CVSS Status


Base Score


Base Metrics



Red Hat would like to thank the PostgreSQL project for reporting this issue. Upstream acknowledges Sumit Soni via Secunia SVCRP as the original issue reporter.

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux 6 (postgresql) RHSA-2013:1475 2013-10-29
Red Hat Enterprise Linux 5 (postgresql84) RHSA-2013:1475 2013-10-29

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 5 postgresql Not affected