CVE-2007-0556: Medium severity PostgreSQL postgresql vulnerability

Published Feb 6, 2007
·
Updated

The query planner in PostgreSQL before 8.0.11, 8.1 before 8.1.7, and 8.2 before 8.2.2 does not verify that a table is compatible with a "previously made query plan," which allows remote authenticated users to cause a denial of service (server crash) and possibly access database content via an "ALTER COLUMN TYPE" SQL statement, which can be leveraged to read arbitrary memory from the server.

Affected Software

92 affected components
PostgreSQL postgresql=1.0
PostgreSQL postgresql=1.01
PostgreSQL postgresql=1.02
PostgreSQL postgresql=1.09
PostgreSQL postgresql=6.0
PostgreSQL postgresql=6.1
PostgreSQL postgresql=6.1.1
PostgreSQL postgresql=6.2
PostgreSQL postgresql=6.2.1
PostgreSQL postgresql=6.3
PostgreSQL postgresql=6.3.1
PostgreSQL postgresql=6.3.2
PostgreSQL postgresql=6.4
PostgreSQL postgresql=6.4.1
PostgreSQL postgresql=6.4.2
PostgreSQL postgresql=6.5
PostgreSQL postgresql=6.5.1
PostgreSQL postgresql=6.5.2
PostgreSQL postgresql=6.5.3
PostgreSQL postgresql=7.0
PostgreSQL postgresql=7.0.1
PostgreSQL postgresql=7.0.2
PostgreSQL postgresql=7.0.3
PostgreSQL postgresql=7.1
PostgreSQL postgresql=7.1.1
PostgreSQL postgresql=7.1.2
PostgreSQL postgresql=7.1.3
PostgreSQL postgresql=7.2
PostgreSQL postgresql=7.2.1
PostgreSQL postgresql=7.2.2
PostgreSQL postgresql=7.2.3
PostgreSQL postgresql=7.2.4
PostgreSQL postgresql=7.2.5
PostgreSQL postgresql=7.2.6
PostgreSQL postgresql=7.2.7
PostgreSQL postgresql=7.2.8
PostgreSQL postgresql=7.3
PostgreSQL postgresql=7.3.1
PostgreSQL postgresql=7.3.2
PostgreSQL postgresql=7.3.3
PostgreSQL postgresql=7.3.4
PostgreSQL postgresql=7.3.5
PostgreSQL postgresql=7.3.6
PostgreSQL postgresql=7.3.7
PostgreSQL postgresql=7.3.8
PostgreSQL postgresql=7.3.9
PostgreSQL postgresql=7.3.10
PostgreSQL postgresql=7.3.11
PostgreSQL postgresql=7.3.12
PostgreSQL postgresql=7.3.13
PostgreSQL postgresql=7.3.14
PostgreSQL postgresql=7.3.15
PostgreSQL postgresql=7.3.16
PostgreSQL postgresql=7.3.17
PostgreSQL postgresql=7.3.18
PostgreSQL postgresql=7.4
PostgreSQL postgresql=7.4.1
PostgreSQL postgresql=7.4.2
PostgreSQL postgresql=7.4.3
PostgreSQL postgresql=7.4.4
PostgreSQL postgresql=7.4.5
PostgreSQL postgresql=7.4.6
PostgreSQL postgresql=7.4.7
PostgreSQL postgresql=7.4.8
PostgreSQL postgresql=7.4.9
PostgreSQL postgresql=7.4.10
PostgreSQL postgresql=7.4.11
PostgreSQL postgresql=7.4.12
PostgreSQL postgresql=7.4.13
PostgreSQL postgresql=7.4.14
PostgreSQL postgresql=7.4.15
PostgreSQL postgresql=7.4.16
PostgreSQL postgresql=8.0
PostgreSQL postgresql=8.0.1
PostgreSQL postgresql=8.0.2
PostgreSQL postgresql=8.0.3
PostgreSQL postgresql=8.0.4
PostgreSQL postgresql=8.0.5
PostgreSQL postgresql=8.0.6
PostgreSQL postgresql=8.0.7
PostgreSQL postgresql=8.0.8
PostgreSQL postgresql=8.0.9
PostgreSQL postgresql=8.0.10
PostgreSQL postgresql=8.1
PostgreSQL postgresql=8.1.1
PostgreSQL postgresql=8.1.2
PostgreSQL postgresql=8.1.3
PostgreSQL postgresql=8.1.4
PostgreSQL postgresql=8.1.5
PostgreSQL postgresql=8.1.6
PostgreSQL postgresql=8.2
PostgreSQL postgresql=8.2.1

Event History

Feb 6, 2007
CVE Published
01:28 AM
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
Description

Frequently Asked Questions

1

What is the severity of CVE-2007-0556?

CVE-2007-0556 has a high-severity rating due to its potential to cause a denial of service by crashing the server.

2

How do I fix CVE-2007-0556?

To fix CVE-2007-0556, upgrade PostgreSQL to versions 8.0.11, 8.1.7, or 8.2.2 or later.

3

Who is affected by CVE-2007-0556?

CVE-2007-0556 affects PostgreSQL versions before 8.0.11, 8.1 before 8.1.7, and 8.2 before 8.2.2.

4

What kind of attack can CVE-2007-0556 facilitate?

CVE-2007-0556 can facilitate a denial of service attack, potentially allowing remote users to crash the database server.

5

What components of PostgreSQL are involved in CVE-2007-0556?

CVE-2007-0556 involves the query planner in PostgreSQL that fails to verify table compatibility with previously made query plans.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203