CVE-2025-24156: 
macOS vulnerability analysis and mitigation

CVE-2025-24156 is an integer overflow vulnerability discovered in Apple's macOS operating system that was disclosed on January 27, 2025. The vulnerability affects multiple versions of macOS including Ventura (up to 13.7.3), Sonoma (up to 14.7.3), and Sequoia (up to 15.3). This security issue was addressed through improved input validation in the Xsan component (Apple Support, NVD).

The vulnerability is classified as a high-severity issue with a CVSS v3.1 base score of 7.8. The attack vector is local (AV:L), requires low attack complexity (AC:L), needs low privileges (PR:L), and requires no user interaction (UI:N). The scope is unchanged (S:U), with high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H). The vulnerability is identified as CWE-190 (Integer Overflow or Wraparound) (NVD).

If exploited, this vulnerability could allow a malicious application to elevate privileges on the affected system. The high CVSS impact scores indicate that successful exploitation could lead to significant compromise of system confidentiality, integrity, and availability (NVD).

Apple has released security updates to address this vulnerability in macOS Ventura 13.7.3, macOS Sequoia 15.3, and macOS Sonoma 14.7.3. Users are advised to update their systems to these latest versions to mitigate the risk (Apple Support, Apple Support, Apple Support).