Apple macOS WindowServer Denial-of-Service Vulnerability

March 18th, 2025
ZDI-25-170 ZDI-CAN-25546

CVE ID

CVE-2024-54501

CVSS Score

3.3 AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected Vendors

Apple

Affected Products

macOS

Vulnerability Details

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Apple macOS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file.

The specific flaw exists within the WindowServer component. The issue results from the lack of proper validation of user-supplied data, which can result in a memory corruption condition. An attacker can leverage this vulnerability to create a denial-of-service condition on the system.

Additional Details

Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/121839

Disclosure Timeline

  • 2024-10-15 - Vulnerability reported to vendor
  • 2025-03-18 - Coordinated public release of advisory
  • 2025-03-18 - Advisory Updated

Credit

Michael DePlante (@izobashi) of Trend Micro's Zero Day Initiative

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