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CVE-2009-3456

HIGH · CVSS 7.5EPSS 0.4%EU EUVD

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.

Key facts

CVSS score
7.5 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE)
CWE-310
EPSS score
0.4% (35th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-3438)
Published
September 29, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-3438 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome
  • google / chrome

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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