CVE-2009-3455

Description

Apple Safari, possibly before 4.0.3, on Mac OS X 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.

Category

7.5
CVSS
Severity: High
CVSS 2.0 •
EPSS 0.16%
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/36477 vdb entry patch
http://www.networkworld.com/news/2009/091709-microsoft-ie-security-hole.html

Frequently Asked Questions

What is the severity of CVE-2009-3455?
CVE-2009-3455 has been scored as a high severity vulnerability.
How to fix CVE-2009-3455?
To fix CVE-2009-3455, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2009-3455 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2009-3455 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.