What is CVE-2025-43202?

CVE-2025-43202 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2026-04-02.

How severe is CVE-2025-43202?

High severity. CVSS v3 base score is 8.8 out of 10.

Buffer overflow in Apple iOS And Ipados

CVE-2025-43202

This issue was addressed with improved memory handling. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6. Processing a file may lead to memory corruption.

Vulnerability class: Buffer Overflow

EPSS: 0.004 (33.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Apple Ios And Ipados — versions 0
Apple Ipados
Apple Iphone_os
Apple Macos — versions 0

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

product-security@apple.com (Release Notes, Vendor Advisory)
product-security@apple.com (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2025-43202?: CVE-2025-43202 is a high-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2026-04-02.
How severe is CVE-2025-43202?: High severity. CVSS v3 base score is 8.8 out of 10.