How severe is CVE-2007-0647?

CVE-2007-0647 has a CVSS 2.0 base score of 7.1, rated high severity.

Is CVE-2007-0647 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-0647?

CVE-2007-0647 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-0647?

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-2007-0647 published?

CVE-2007-0647 was published on 2007-02-01 and last updated on 2026-06-16.

CVE-2007-0647

CVE-2007-0647 is a high-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 7.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.1)
EPSS exploit prediction: 2% (83rd percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Apple Mac Os X
Published: 2007-02-01
Last modified: 2026-06-16

Description

Format string vulnerability in Help Viewer 3.0.0 allows remote user-assisted attackers to cause a denial of service (crash) via format string specifiers in a filename, which is not properly handled when calling the NSBeginAlertSheet Apple AppKit function.

Frequently asked questions

What is CVE-2007-0647?: Format string vulnerability in Help Viewer 3.0.0 allows remote user-assisted attackers to cause a denial of service (crash) via format string specifiers in a filename, which is not properly handled when calling the NSBeginAlertSheet Apple AppKit function.
How severe is CVE-2007-0647?: CVE-2007-0647 has a CVSS 2.0 base score of 7.1, rated high severity.
Is CVE-2007-0647 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (83rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-0647?: CVE-2007-0647 affects Apple Mac Os X. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-0647?: 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-2007-0647 published?: CVE-2007-0647 was published on 2007-02-01 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:apple:mac_os_x:10.3.9:*:*:*:*:*:*:*

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