CVE-2009-3456: Google Chrome

High severity, CVSS 7.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Google Chrome: up to and including 3.0.195.21; version 0.2.149.27 only; version 0.2.149.29 only; version 0.2.149.30 only; version 0.2.152.1 only; version 0.2.153.1 only; …

Published 2009-09-29. Last modified 2026-06-16.