Advisory Details

July 29th, 2025

Apple macOS USD importSkeletons Out-Of-Bounds Write Remote Code Execution Vulnerability

ZDI-25-676
ZDI-CAN-26978

CVE ID CVE-2025-43219
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 user-supplied data, which can result in a write past the end of an allocated 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-us/124149
DISCLOSURE TIMELINE
  • 2025-04-16 - Vulnerability reported to vendor
  • 2025-07-29 - Coordinated public release of advisory
  • 2025-07-29 - Advisory Updated
CREDIT Michael DePlante (@izobashi) of Trend Zero Day Initiative
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