VULNERABILITY INTELLIGENCE

CVE-2009-3456

CVSS score7.5 HIGH

EPSS probability0.40%

CISA KEVNot currently listed

Published2009-09-29

Last modified2026-06-16

Description

Google Chrome, possibly 3.0.195.21 and earlier, 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 allows man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority, a related issue to CVE-2009-2408. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.