CVE-2025-43224: 
macOS vulnerability analysis and mitigation

CVE-2025-43224 is an out-of-bounds access vulnerability discovered in Apple's Model I/O component that affects multiple Apple operating systems. The vulnerability was disclosed on July 29, 2025, and affects visionOS 2.6, tvOS 18.6, macOS Sequoia 15.6, iOS 18.6, and iPadOS 18.6. The issue was identified by Michael DePlante (@izobashi) of Trend Micro Zero Day Initiative (Apple Support, NVD).

The vulnerability is characterized as an out-of-bounds access issue in the Model I/O component that was addressed with improved bounds checking. The CVSS 3.1 base score is 7.1 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H, indicating local access is required with no privileges needed but user interaction is required (NVD).

When exploited, processing a maliciously crafted media file may lead to unexpected app termination or corrupt process memory. This could potentially result in denial of service conditions or memory corruption in affected systems (Apple Support).

Apple has addressed this vulnerability by implementing improved bounds checking in the affected systems. The fix is available in the following software updates: visionOS 2.6, tvOS 18.6, macOS Sequoia 15.6, iOS 18.6, and iPadOS 18.6. Users are advised to update their systems to these versions to mitigate the vulnerability (Apple Support).