CVE-2025-24255: 
macOS vulnerability analysis and mitigation

A file access issue was discovered in macOS affecting multiple versions (Ventura 13.7.5, Sequoia 15.4, Sonoma 14.7.5). The vulnerability (CVE-2025-24255) was reported by an anonymous researcher and disclosed on March 31, 2025. The issue allows a malicious app to potentially break out of its sandbox, compromising system security (Apple Support, NVD).

The vulnerability stems from improper input validation in the DiskArbitration component of macOS. It received a CVSS v3.1 base score of 8.4 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating local access required but no privileges or user interaction needed. The vulnerability is classified under CWE-20 (Improper Input Validation) (CISA Bulletin).

If exploited, this vulnerability allows a malicious application to break out of its sandbox environment, potentially gaining unauthorized access to protected system resources and sensitive data. The high CVSS score indicates severe potential impacts on system confidentiality, integrity, and availability (CISA Bulletin).

Apple has addressed this vulnerability by implementing improved input validation in the affected systems. Users are strongly advised to update to macOS Ventura 13.7.5, macOS Sequoia 15.4, or macOS Sonoma 14.7.5, depending on their version (Apple Support).