CVE-2025-24260: 
macOS vulnerability analysis and mitigation

CVE-2025-24260 is a security vulnerability discovered in Apple's macOS operating system that affects the smbx component. The vulnerability was disclosed on March 31, 2025, and was identified by zbleet of QI-ANXIN TianGong Team. The issue affects multiple versions of macOS including Ventura (versions before 13.7.5), Sonoma (versions before 14.7.5), and Sequoia (versions before 15.4) (Apple Support, NVD).

The vulnerability is classified as an uncontrolled resource consumption issue (CWE-400) that stems from improper memory handling in the smbx component. The vulnerability has received a CVSS v3.1 Base Score of 9.8 (CRITICAL) with the vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H, indicating a severe security risk (NVD).

When exploited, this vulnerability allows an attacker in a privileged network position to perform a denial-of-service attack against affected macOS systems. This could potentially lead to system disruption and service unavailability (Apple Support).

The vulnerability requires an attacker to be in a privileged position to execute the attack. The CVSS score indicates that the attack complexity is low and requires no user interaction, making it relatively straightforward to exploit once the attacker has achieved the necessary network position (NVD).

Apple has addressed this vulnerability by improving memory handling in the affected component. The fix has been released in macOS Ventura 13.7.5, macOS Sequoia 15.4, and macOS Sonoma 14.7.5. Users are advised to update their systems to these versions or later to mitigate the vulnerability (Apple Support).