Input validation error in PostgreSQL - CVE-2006-5540

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Main Vulnerability Database Vulnerabilities #VU111786

Input validation error in PostgreSQL - CVE-2006-5540

Published: October 11, 2017 / Updated: June 23, 2025


Vulnerability identifier: #VU111786
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2006-5540
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: PostgreSQL Global Development Group
Affected software:
PostgreSQL

Detailed vulnerability description

The vulnerability allows a remote user to perform service disruption.

backend/parser/analyze.c in PostgreSQL 8.1.x before 8.1.5 allows remote authenticated users to cause a denial of service (daemon crash) via certain aggregate functions in an UPDATE statement, which are not properly handled during a "MIN/MAX index optimization."


How to mitigate CVE-2006-5540

Install update from vendor's website.

Sources