CVE-2025-24177: 
macOS vulnerability analysis and mitigation

CVE-2025-24177 is a null pointer dereference vulnerability discovered in Apple's operating systems that was disclosed on January 27, 2025. The vulnerability affects macOS Sequoia (versions up to 15.3), iOS (versions up to 18.3), and iPadOS (versions up to 18.3). The issue was identified by Uri Katz from Oligo Security and was addressed by Apple through improved input validation (NVD, Apple Advisory).

The vulnerability is classified as a null pointer dereference issue in the AirPlay component of affected Apple operating systems. It has been assigned a CVSS v3.1 base score of 7.5 (HIGH), with a vector string of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. The vulnerability is remotely exploitable, requires no privileges or user interaction, and primarily impacts system availability. The weakness is categorized as CWE-476 (NULL Pointer Dereference) (NVD).

When exploited, this vulnerability allows a remote attacker to cause a denial-of-service condition in the affected systems. The impact is limited to availability, with no direct effect on system confidentiality or integrity (Apple Advisory, NVD).

Apple has released security updates to address this vulnerability. Users should update to macOS Sequoia 15.3, iOS 18.3, or iPadOS 18.3, depending on their device. These patches include improved input validation mechanisms to prevent the null pointer dereference (Apple Advisory, Apple Advisory).