Out-of-bounds Read in Apple iOS And Ipados

CVE-2025-43377

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.7.2 and iPadOS 18.7.2, macOS Sequoia 15.7.2, macOS Tahoe 26.1. An app may be able to cause a denial-of-service.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (6.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-43377?
CVE-2025-43377 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2025-11-04.
How severe is CVE-2025-43377?
Medium severity. CVSS v3 base score is 5.5 out of 10.