How severe is CVE-2007-5856?

CVE-2007-5856 has a CVSS 2.0 base score of 9.4, rated critical severity.

Is CVE-2007-5856 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-5856?

CVE-2007-5856 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-5856?

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-2007-5856 published?

CVE-2007-5856 was published on 2007-12-19 and last updated on 2026-06-16.

CVE-2007-5856

CVE-2007-5856 is a critical-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 9.4. 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-16.

Key facts

Severity: Critical (CVSS 2.0 base score 9.4)
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-16
Affected product: Apple Mac Os X
Published: 2007-12-19
Last modified: 2026-06-16

Description

Quick Look Apple Mac OS X 10.5.1, when previewing an HTML file, does not prevent plug-ins from making network requests, which might allow remote attackers to obtain sensitive information.

Frequently asked questions

What is CVE-2007-5856?: Quick Look Apple Mac OS X 10.5.1, when previewing an HTML file, does not prevent plug-ins from making network requests, which might allow remote attackers to obtain sensitive information.
How severe is CVE-2007-5856?: CVE-2007-5856 has a CVSS 2.0 base score of 9.4, rated critical severity.
Is CVE-2007-5856 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-5856?: CVE-2007-5856 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-5856?: 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-2007-5856 published?: CVE-2007-5856 was published on 2007-12-19 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:apple:mac_os_x:10.5.1:*:*:*:*:*:*:*

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