PT-2025-45726 · Pypi · Usd-Core

Published 2025-10-29 · Updated 2025-10-29

OSV

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Patch

This is fixed with commit b953092, with the fix available in OpenUSD 25.11 and onwards.

Summary

We have been advised by Zero Day Initiative that our usage of the USD framework may constitute a Use-After-Free Remote Code Execution Vulnerability. They have sent us the attached file illustrating the issue. Indeed, we see a use after free exception when running the file through our importer with an address sanitizer.

zdi-23709-poc0.zip

Thanks in advance.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

GHSA-GRJP-54V3-C442

Affected Products

Usd-Core

References · 4

• https://osv.dev/vulnerability/GHSA-grjp-54v3-c442 · Vendor Advisory
• https://github.com/PixarAnimationStudios/OpenUSD/security/advisories/GHSA-grjp-54v3-c442 · Note
• https://github.com/PixarAnimationStudios/OpenUSD · Note
• https://github.com/PixarAnimationStudios/OpenUSD/commit/b9530922b6a8ea72cd43661226b693fff8abbe4c · Note