Buffer overflow in Apple Ios And Ipados

CVE-2025-43186

The issue was addressed with improved memory handling. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Parsing a file may lead to an une…

Vulnerability class: Buffer Overflow

EPSS: 0.011 (62.4th percentile) — read the EPSS interpretation.

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.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-43186?
CVE-2025-43186 is a critical-severity vulnerability in Apple Ios And Ipados, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-07-30.
How severe is CVE-2025-43186?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-43186 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.