CVE-2009-0652

MediumCVSS 5.8/10Last modified Jun 16, 2026

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.

Metrics

CVSS 2.0 5.8/10AV:N/AC:M/Au:N/C:N/I:P/A:P

Affected software

No affected versions have been published.

Timeline

Published: Feb 20, 2009
Last modified: Jun 16, 2026
NVD status: Modified

Related CVEs from 2009

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