What is CVE-2023-32397?

CVE-2023-32397 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-06-23.

How severe is CVE-2023-32397?

High severity. CVSS v3 base score is 7.5 out of 10.

Buffer overflow in Apple iOS And Ipados

CVE-2023-32397

A logic issue was addressed with improved state management. This issue is fixed in iOS 15.7.6 and iPadOS 15.7.6, macOS Big Sur 11.7.7, macOS Monterey 12.6.6, macOS Ventura 13.4. An app may be able to modify protected parts of the file system.

Vulnerability class: Buffer Overflow

Published 2023-06-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.6th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Apple iOS And Ipados — versions unspecified
Apple Ipados
Apple Iphone OS
Apple macOS — versions unspecified

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

support.apple.com/en-us/HT213758 (Release Notes, Vendor Advisory)
support.apple.com/en-us/HT213759 (Release Notes, Vendor Advisory)
support.apple.com/en-us/HT213765 (Release Notes, Vendor Advisory)
support.apple.com/en-us/HT213760 (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2023-32397?: CVE-2023-32397 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-06-23.
How severe is CVE-2023-32397?: High severity. CVSS v3 base score is 7.5 out of 10.