TI-2020-10579 Aliases CVE-2020-13494 GHSA-j3x9-vvcx-3wc5

Heap-based buffer overflow in Pixar

LOW 27CWE-122Published 2020-12-02 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A heap overflow vulnerability exists in the Pixar OpenUSD 20.05 parsing of compressed string tokens in binary USD files. A specially crafted malformed file can trigger a heap overflow which can result in out of bounds memory access which could lead to information disclosure. This vulnerability could be used to bypass mitigations and aid further exploitation. To trigger this vulnerability, victim needs to access an attacker-provided malformed file.

Why it matters now

EPSS 0.01179 67th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Pixar	Pixar OpenUSD 20.05, Apple macOS Catalina 10.15.3	—	No fix listed	CNA

Pixar Vendor— Affected Pixar OpenUSD 20.05, Apple macOS Catalina 10.15.3 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:a:pixar:openusd:20.05:::::::*	20.05	Vulnerable	Pixar
cpe:2.3:o:apple:macos:-:::::::*	not specified by NVD	Running on	Apple

cpe:2.3:a:pixar:openusd:20.05:*:*:*:*:*:*:* Versions 20.05 Vulnerable ·Pixar
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Apple

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-13494
2026-10-03 Alias added: GHSA-j3x9-vvcx-3wc5

References

Exploit 1

https://talosintelligence.com/vulnerability_reports/TALOS-2020-1103

TI-2020-10580 Memory corruption in Apple macOS CVSS 3.1MEDIUM 5.5
TI-2020-10610 Use after free in Pixar CVSS 3.1HIGH 8.8
TI-2020-05020 Heap-based buffer overflow in Pixar CVSS 3.1HIGH 7.8
TI-2020-10600 Memory corruption in Pixar CVSS 3.1HIGH 7.8
TI-2020-10578 Heap-based buffer overflow in Pixar CVSS 3.1HIGH 7.8
TI-2020-05021 Heap-based buffer overflow in Pixar CVSS 3.1HIGH 7.8

See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences