How severe is CVE-2009-0652?

This vulnerability has a severity rating of MEDIUM with a CVSS score of 5.8 out of 10.

What type of vulnerability is CVE-2009-0652?

This is classified as NVD-CWE-Other, which is a common weakness in software security.

CVE-2009-0652 - MEDIUM Severity | CVSS 5.8

Vulnerability Description

The Internationalized Domain Names (IDN) blacklist in Mozilla Firefox 3.0.6 and other versions before 3.0.9; Thunderbird before 2.0.0.21; and SeaMonkey before 1.1.15 does not include box-drawing characters, which allows remote attackers to spoof URLs and conduct phishing attacks, as demonstrated by homoglyphs of the / (slash) and ? (question mark) characters in a subdomain of a .cn domain name, a different vulnerability than CVE-2005-0233. NOTE: some third parties claim that 3.0.6 is not affected, but much older versions perhaps are affected.

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