What’s Vulnerable › Vulnerabilities

CVE-2020-13524

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-03 · updated 2026-06-17
• Weakness: CWE-119

Description

An out-of-bounds memory corruption vulnerability exists in the way Pixar OpenUSD 20.05 uses SPECS data from binary USD files. A specially crafted malformed file can trigger an out-of-bounds memory access and modification which results in memory corruption. To trigger this vulnerability, the victim needs to access an attacker-provided malformed file.

Affected products

• macOS: from 10.14.0 before 10.14.6; from 10.15 before 10.15.7; 10.14.6-security_update_2019-001, 10.14.6-security_update_2019-002, 10.14.6-security_update_2019-004, 10.14.6-security_update_2019-005, 10.14.6-security_update_2019-006, 10.14.6-security_update_2019-007 (+9) — fixed in 10.14.6, 10.15.7
• Apple macOS: from 11.0 before 11.1 — fixed in 11.1
• Pixar OpenUSD: 20.05

How to fix

Upgrade to a fixed version: macOS 10.14.6, 10.15.7; Apple macOS 11.1. Check the vendor advisory for mitigations.

References

• http://seclists.org/fulldisclosure/2020/Dec/26
• http://seclists.org/fulldisclosure/2020/Dec/32
• https://support.apple.com/kb/HT212011
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1125
• http://seclists.org/fulldisclosure/2020/Dec/26
• http://seclists.org/fulldisclosure/2020/Dec/32
• https://support.apple.com/kb/HT212011
• https://talosintelligence.com/vulnerability_reports/TALOS-2020-1125

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