How severe is CVE-2005-0233?

CVE-2005-0233 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2005-0233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-0233?

CVE-2005-0233 primarily affects Mozilla Camino. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-0233?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2005-0233 published?

CVE-2005-0233 was published on 2005-02-08 and last updated on 2026-06-16.

CVE-2005-0233

CVE-2005-0233 is a high-severity vulnerability in Mozilla Camino with a CVSS 2.0 base score of 7.5. Its EPSS exploit-prediction score of 20% places it in the 97th percentile, indicating an elevated likelihood of exploitation.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 20% (97th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Mozilla Camino
Published: 2005-02-08
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2005-0233?: 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.
How severe is CVE-2005-0233?: CVE-2005-0233 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2005-0233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 20% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-0233?: CVE-2005-0233 primarily affects Mozilla Camino. In total, 6 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-0233?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2005-0233 published?: CVE-2005-0233 was published on 2005-02-08 and last updated on 2026-06-16.

References

Affected products (6)

cpe:2.3:a:mozilla:camino:0.8.5:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:firefox:1.0:*:*:*:*:*:*:*
cpe:2.3:a:mozilla:mozilla:*:*:*:*:*:*:*:*
cpe:2.3:a:omnigroup:omniweb:5:*:*:*:*:*:*:*
cpe:2.3:a:opera:opera_browser:*:*:*:*:*:*:*:*
cpe:2.3:a:opera_software:opera_web_browser:7.54:*:*:*:*:*:*:*

More vulnerabilities in Mozilla Camino

CVE-2006-1901 — Medium (CVSS 5.0): Mozilla Camino 1.0 and earlier allow remote attackers to cause a denial of service (null dereference and application…
CVE-2005-2114 — Medium (CVSS 5.0): Mozilla 1.7.8, Firefox 1.0.4, Camino 0.8.4, Netscape 8.0.2, and K-Meleon 0.9, and possibly other products that use the…
CVE-2005-0238 — Medium (CVSS 5.0): The International Domain Name (IDN) support in Epiphany allows remote attackers to spoof domain names using punycode…

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