Improper input validation in macOS - CVE-2025-43294
Published: September 16, 2025
Vulnerability identifier: #VU115309
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43294
CWE-ID: CWE-20
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local application to gain access to sensitive information.
The vulnerability exists due to insufficient input validation in MallocStackLogging. A local application can access sensitive user data.
Affected software
macOS
tvOS
Apple iOS
iPadOS
watchOS
tvOS
Apple iOS
iPadOS
watchOS
How to mitigate CVE-2025-43294
Install update from vendor's website.
macOS - update to 26.0 25A354
tvOS - update to 26.1 23J580
Apple iOS - update to 26.1 23B85
iPadOS - update to 26.1 23B85
watchOS - update to 26.1 23S37
tvOS - update to 26.1 23J580
Apple iOS - update to 26.1 23B85
iPadOS - update to 26.1 23B85
watchOS - update to 26.1 23S37