Heap-based buffer overflow in Pixar
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-122 and the CVSS impact.
Summary
A heap overflow vulnerability exists in Pixar OpenUSD 20.05 when the software parses compressed sections in binary USD files. A specially crafted USDC file format path jumps decompression heap overflow in a way path jumps are processed. To trigger this vulnerability, the victim needs to open an attacker-provided malformed file.
Why it matters now
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-13493
- 2026-10-03 Alias added: GHSA-375c-626v-c7m7
References
More Pixar Openusd vulnerabilities
- 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-2020-05021 Heap-based buffer overflow in Pixar CVSS 3.1HIGH 7.8
- TI-2020-05017 Heap-based buffer overflow in Pixar CVSS 3.1HIGH 7.8
Sources
- CVE-2020-13493 · CVE Program
- CVE-2020-13493 · NVD
- FIRST EPSS
- GHSA-375c-626v-c7m7 · GitHub Advisory Database · CC BY 4.0
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