Buffer overflow in Apple iOS And Ipados

CVE-2025-43374

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 18.5 and iPadOS 18.5, iPadOS 17.7.7, macOS Sequoia 15.5, macOS Sonoma 14.7.3, macOS Ventura 13.7.3, tvOS 18.5, visionOS 2.5, watchOS 11.5. An attacker in physical proximity may be able to cause an out-of-bounds read in kernel memory.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (9.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-43374?
CVE-2025-43374 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Stack-based Buffer Overflow. CVSS score: 4.3/10. Published 2025-11-21.
How severe is CVE-2025-43374?
Medium severity. CVSS v3 base score is 4.3 out of 10.