CVE-2005-0233

The International Domain Name (IDN) support in Firefox 1.0, Camino .8.5, and Mozilla before 1.7.6...

7.5 HighFix available

CVE-2005-0233 is a high vulnerability (CVSS 7.5) in Mozilla Camino, published February 7, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 20.4%, the 97th percentile. Fixed in firefox 0:1.0.1-1.4.3.

The International Domain Name (IDN) support in Firefox 1.0, Camino .8.5, and Mozilla before 1.7.6 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks.

Exploit likelihood

20.4%Up 16.6 points since Feb 4, 2022

What each source reports

NVD Score used 7.5

Record: CVE-2005-0233
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2005-0233
Updated: 2026-11-02

EUVDEUVD-2005-0234 No score

Record: EUVD-2005-0234
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9jrp-g945-8329 No score

The International Domain Name (IDN) support in Firefox 1.0, Camino .8.5, and Mozilla before 1.7.6...

Record: GHSA-9jrp-g945-8329
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`firefox` Red Hat:enterprise_linux:4::as	before 0:1.0.1-1.4.3	0:1.0.1-1.4.3
`firefox` Red Hat:enterprise_linux:4::desktop	before 0:1.0.1-1.4.3	0:1.0.1-1.4.3
`firefox` Red Hat:enterprise_linux:4::es	before 0:1.0.1-1.4.3	0:1.0.1-1.4.3
`firefox` Red Hat:enterprise_linux:4::ws	before 0:1.0.1-1.4.3	0:1.0.1-1.4.3

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

References

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