CVE-2020-6147

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-11-13 · updated 2026-06-17
Weakness: CWE-122

Description

A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. This instance exists in the USDC file format FIELDS section decompression heap overflow.

Affected products

Apple iPadOS: before 14.0 — fixed in 14.0
Apple Iphone Os: before 14.0 — fixed in 14.0
Pixar OpenUSD: 20.05

How to fix

Upgrade to a fixed version: Apple iPadOS 14.0; Apple Iphone Os 14.0. Check the vendor advisory for mitigations.

References

http://seclists.org/fulldisclosure/2020/Nov/20
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1094
http://seclists.org/fulldisclosure/2020/Nov/20
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1094

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