Memory corruption in macOS - CVE-2025-43221
Published: July 30, 2025 / Updated: July 31, 2025
Vulnerability identifier: #VU113478
CSH Severity: High
CVSS v4: 7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:NL/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-43221
CWE-ID: CWE-119
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to a boundary error in Model I/O. A remote attacker can trick the victim into opening a specially crafted file, trigger memory corruption and execute arbitrary code on the system.
Affected software
macOS
visionOS
tvOS
Apple iOS
iPadOS
visionOS
tvOS
Apple iOS
iPadOS
How to mitigate CVE-2025-43221
Install update from vendor's website.
macOS - update to 15.6 24G84
visionOS - update to 2.6
tvOS - update to 18.6
Apple iOS - update to 18.6 22G86
iPadOS - update to 18.6 22G86
visionOS - update to 2.6
tvOS - update to 18.6
Apple iOS - update to 18.6 22G86
iPadOS - update to 18.6 22G86