CVE-2009-4034

MediumCVSS 5.8/10Last modified Jun 16, 2026

Description

PostgreSQL 7.4.x before 7.4.27, 8.0.x before 8.0.23, 8.1.x before 8.1.19, 8.2.x before 8.2.15, 8.3.x before 8.3.9, and 8.4.x before 8.4.2 does not properly handle a '\0' character in a domain name in the subject's Common Name (CN) field of an X.509 certificate, which (1) allows man-in-the-middle attackers to spoof arbitrary SSL-based PostgreSQL servers via a crafted server certificate issued by a legitimate Certification Authority, and (2) allows remote attackers to bypass intended client-hostname restrictions via a crafted client certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408.

Metrics

CVSS 2.0 5.8/10AV:N/AC:M/Au:N/C:N/I:P/A:P

Weakness enumeration

CWE-310

Affected software

No affected versions have been published.

Timeline

Published: Dec 15, 2009
Last modified: Jun 16, 2026
NVD status: Modified

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