How severe is CVE-2004-0539?

CVE-2004-0539 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2004-0539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2004-0539?

CVE-2004-0539 primarily affects Apple Mac Os X. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2004-0539?

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

When was CVE-2004-0539 published?

CVE-2004-0539 was published on 2004-08-06 and last updated on 2026-06-16.

CVE-2004-0539

CVE-2004-0539 is a critical-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 5% (91st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Mac Os X
Published: 2004-08-06
Last modified: 2026-06-16

Description

The "Show in Finder" button in the Safari web browser in Mac OS X 10.3.4 and 10.2.8 may execute downloaded applications, which could allow remote attackers to execute arbitrary code.

Frequently asked questions

What is CVE-2004-0539?: The "Show in Finder" button in the Safari web browser in Mac OS X 10.3.4 and 10.2.8 may execute downloaded applications, which could allow remote attackers to execute arbitrary code.
How severe is CVE-2004-0539?: CVE-2004-0539 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2004-0539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2004-0539?: CVE-2004-0539 primarily affects Apple Mac Os X. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2004-0539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2004-0539 published?: CVE-2004-0539 was published on 2004-08-06 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:o:apple:mac_os_x:10.2.8:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.2.8:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x_server:10.3.4:*:*:*:*:*:*:*

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