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B.73.2. RHSA-2011:0197 — Moderate: postgresql security update
Updated postgresql packages that fix one security issue are now available for Red Hat Enterprise Linux 4, 5, and 6.
The Red Hat Security Response Team has rated this update as having moderate security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) associated with each description below.
PostgreSQL is an advanced object-relational database management system (DBMS).
- CVE-2010-4015
- A stack-based buffer overflow flaw was found in the way PostgreSQL processed certain tokens from an SQL query when the intarray module was enabled on a particular database. An authenticated database user running a specially-crafted SQL query could use this flaw to cause a temporary denial of service (postgres daemon crash) or, potentially, execute arbitrary code with the privileges of the database server.
Red Hat would like to thank Geoff Keating of the Apple Product Security team for reporting this issue.
For Red Hat Enterprise Linux 4, the updated postgresql packages contain a backported patch for this issue; there are no other changes.
For Red Hat Enterprise Linux 5, the updated postgresql packages upgrade PostgreSQL to version 8.1.23, and contain a backported patch for this issue. Refer to the PostgreSQL Release Notes for a full list of changes:
For Red Hat Enterprise Linux 6, the updated postgresql packages upgrade PostgreSQL to version 8.4.7, which includes a fix for this issue. Refer to the PostgreSQL Release Notes for a full list of changes:
All PostgreSQL users are advised to upgrade to these updated packages, which correct this issue. If the postgresql service is running, it will be automatically restarted after installing this update.
