How severe is CVE-2005-2405?

CVE-2005-2405 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2005-2405 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-2405?

CVE-2005-2405 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2005-2405?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2005-2405 published?

CVE-2005-2405 was published on 2005-08-01 and last updated on 2026-06-16.

CVE-2005-2405

CVE-2005-2405 is a medium-severity vulnerability in Opera Opera Browser with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Opera Opera Browser
Published: 2005-08-01
Last modified: 2026-06-16

Description

Opera 8.01, when the "Arial Unicode MS" font (ARIALUNI.TTF) is installed, does not properly handle extended ASCII characters in the file download dialog box, which allows remote attackers to spoof file extensions and possibly trick users into executing arbitrary code.

Frequently asked questions

What is CVE-2005-2405?: Opera 8.01, when the "Arial Unicode MS" font (ARIALUNI.TTF) is installed, does not properly handle extended ASCII characters in the file download dialog box, which allows remote attackers to spoof file extensions and possibly trick users into executing arbitrary code.
How severe is CVE-2005-2405?: CVE-2005-2405 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2005-2405 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-2405?: CVE-2005-2405 affects Opera Opera Browser. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2005-2405?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2005-2405 published?: CVE-2005-2405 was published on 2005-08-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:a:opera:opera_browser:8.01:*:*:*:*:*:*:*

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