How severe is CVE-2009-0947?

CVE-2009-0947 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2009-0947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0947?

CVE-2009-0947 affects Apple Files. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2009-0947?

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-2009-0947 published?

CVE-2009-0947 was published on 2021-06-02 and last updated on 2026-06-16.

CVE-2009-0947

CVE-2009-0947 is a critical-severity vulnerability in Apple Files with a CVSS 3.x base score of 9.8. 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-190.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Apple Files
Published: 2021-06-02
Last modified: 2026-06-16

Description

Multiple integer overflows in the (1) cdf_read_property_info and (2) cdf_read_sat functions in file before 5.02.

Frequently asked questions

What is CVE-2009-0947?: Multiple integer overflows in the (1) cdf_read_property_info and (2) cdf_read_sat functions in file before 5.02.
How severe is CVE-2009-0947?: CVE-2009-0947 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2009-0947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0947?: CVE-2009-0947 affects Apple Files. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2009-0947?: 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-2009-0947 published?: CVE-2009-0947 was published on 2021-06-02 and last updated on 2026-06-16.

References

https://bugzilla.redhat.com/show_bug.cgi?id=498682

Affected products (1)

cpe:2.3:a:apple:files:*:*:*:*:*:*:*:*

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