CVE-2004-2227

CVE-2004-2227 is a medium-severity vulnerability in Mozilla Firefox 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.

Key facts

Description

Mozilla Firefox before 1.0 truncates long filenames in the file download dialog box, which makes it easier for remote attackers to trick users into downloading files with dangerous extensions.

Frequently asked questions

What is CVE-2004-2227?
Mozilla Firefox before 1.0 truncates long filenames in the file download dialog box, which makes it easier for remote attackers to trick users into downloading files with dangerous extensions.
How severe is CVE-2004-2227?
CVE-2004-2227 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2004-2227 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-2227?
CVE-2004-2227 primarily affects Mozilla Firefox. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-2227?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2004-2227 published?
CVE-2004-2227 was published on 2004-12-31 and last updated on 2026-06-16.

References

Affected products (8)

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