Apple macOS USD importNodeAnimations Heap-based Buffer Overflow Remote Code Execution Vulnerability

November 13th, 2025
ZDI-25-1003 ZDI-CAN-27853

CVE ID

CVE-2025-43383

CVSS Score

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

Affected Vendors

Apple

Affected Products

macOS

Vulnerability Details

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Apple macOS. Interaction with the USD library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.

The specific flaw exists within the USD library. The issue results from the lack of proper validation of the length of user-supplied data prior to copying it to a heap-based buffer. An attacker can leverage this vulnerability to execute code in the context of the current process.

Additional Details

Apple has issued an update to correct this vulnerability. More details can be found at:
https://support.apple.com/en-ca/125635

Disclosure Timeline

  • 2025-08-07 - Vulnerability reported to vendor
  • 2025-11-13 - Coordinated public release of advisory
  • 2025-11-13 - Advisory Updated

Credit

Michael DePlante (@izobashi) of Trend Zero Day Initiative

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