CVE-2006-5540: n/a vulnerability

CVE-2006-5540: backend/parser/analyze.c in PostgreSQL 8.1.x before 8.1.5 allows remote authenticated users to cause a deni...

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."

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 19:55 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old PostgreSQL availability flaw. An authenticated database user could trigger a server crash with certain SQL behavior, causing service disruption until PostgreSQL restarts. The source bundle points to PostgreSQL 8.1.x before 8.1.5 and multiple Linux vendor advisories. Exposure is most likely in legacy systems running PostgreSQL 8.1.x earlier than 8.1.5 or vendor packages that include that code. Internet exposure matters less than whether untrusted or broad internal users can authenticate and issue SQL statements. Prioritize if any business system still runs PostgreSQL 8.1.x or inherited vendor packages. The main business impact is database downtime from an authenticated actor. Modern environments are unlikely to be exposed unless legacy servers remain unmanaged. Mitigation focus: Upgrade PostgreSQL 8.1.x to 8.1.5 or a vendor-fixed package.; Apply relevant distribution advisories from Ubuntu, Red Hat, Mandriva, SUSE, or Novell.; Restrict database logins to trusted users and applications only..

Prepared: Jun 29, 2026, 09:39 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 26, 2006, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

2Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
oval:org.mitre.oval:def:11425CVE reference · vdb-entry, signature

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

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