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GHSA-grjp-54v3-c442

OpenUSD File Parsing Use-After-Free Remote Code Execution Vulnerability

6.9 MediumFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
Low
Availability
Low

What each source reports

GitHub Advisories Score used 6.9

OpenUSD File Parsing Use-After-Free Remote Code Execution Vulnerability

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.

Record
GHSA-grjp-54v3-c442
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-416
Updated
2026-11-02
OSV 6.9

OpenUSD File Parsing Use-After-Free Remote Code Execution Vulnerability

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.

Record
GHSA-grjp-54v3-c442
CVSS 4.0
6.9 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N
Weakness
CWE-416
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
usd-core
PyPI
through 25.08
25.11
usd-core
PyPI
before 25.11, plus listed versions
20.1121.1121.221.521.8
Show 18 moreShow less
22.1122.322.522.5.post122.823.1123.223.523.824.1124.324.524.825.225.2.post125.525.5.125.8
25.11

History

History
RecordedChangedSources
first indexedGitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

GHSA-grjp-54v3-c442 is a medium vulnerability (CVSS 6.9) in usd-core, published October 29, 2025. No source lists public exploit code. Fixed in usd-core 25.11.

References

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