Input validation error in macOS - CVE-2025-43347

 

Input validation error in macOS - CVE-2025-43347

Published: September 16, 2025


Vulnerability identifier: #VU115644
CSH Severity: Low
CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43347
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local application to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the System component. A local application can perform a denial of service (DoS) attack.


Affected software

macOS
visionOS
watchOS
tvOS
iPadOS
Apple iOS

How to mitigate CVE-2025-43347

Install updates from vendor's website.

macOS - update to 26.0 25A354
visionOS - update to 26.0 23M336
watchOS - update to 26.0 23R352
tvOS - update to 26.0 23J353
iPadOS - update to 26.0 23A341
Apple iOS - update to 26.0 23A341

External References

Related Security Bulletins