CVE-2009-3456: n/a vulnerability

CVE-2009-3456: Google Chrome, possibly 3.0.195.21 and earlier, does not properly handle a '\0' character in a domain name...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 16, 2024, 23:35 UTC (UTC+00:00)

Security readout for executives and security teams

This is a historical Chrome certificate-name validation issue. A crafted certificate containing a null character in the Common Name could make a browser trust the wrong HTTPS site. The public record says the details come only from third-party information, so affected scope and remediation evidence are incomplete. Exposure appears limited to obsolete Chrome versions, possibly 3.0.195.21 and earlier. The source bundle does not confirm exact affected builds, operating systems, or downstream products. Low urgency for modern estates, but important for legacy-risk cleanup. Prioritize if old Chrome clients remain in sensitive environments or controlled kiosks. Mitigation focus: Inventory environments for Chrome 3.0.195.21 or earlier.; Check Google or browser vendor guidance for the applicable fixed version.; Retire unsupported legacy browser installations where operationally possible..

Prepared: Jun 28, 2026, 18:15 UTC (UTC+00:00)

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

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 29, 2009, 17:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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1Source links

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CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

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