What is CVE-2009-0947?

CVE-2009-0947 is a critical-severity vulnerability in Apple Files, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2021-06-02.

How severe is CVE-2009-0947?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Apple Files

CVE-2009-0947

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

Vulnerability class: Integer Overflow

Published 2021-06-02 · last modified 2026-06-16.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.3th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Apple Files

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2009-0947?: CVE-2009-0947 is a critical-severity vulnerability in Apple Files, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2021-06-02.
How severe is CVE-2009-0947?: Critical severity. CVSS v3 base score is 9.8 out of 10.