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TI-2021-20951 Aliases CVE-2021-45948GHSA-7jv6-5f7h-7g3g

Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow…

Priority LOW 27CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Open Asset Import Library (aka assimp) 5.1.0 and 5.1.1 has a heap-based buffer overflow in _m3d_safestr (called from m3d_load and Assimp::M3DWrapper::M3DWrapper).

Why it matters now

EPSS 0.00973 62nd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:assimp:assimp:5.1.0:*:*:*:*:*:*:*5.1.0VulnerableOpen Asset Import Library
cpe:2.3:a:assimp:assimp:5.1.1:*:*:*:*:*:*:*5.1.1VulnerableOpen Asset Import Library

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-45948
  2. 2026-10-03 Alias added: GHSA-7jv6-5f7h-7g3g

References

  • TI-2022-22579 An issue was discovered with assimp 5.1.4, a use after free occurred in function… CVSS 3.1HIGH 8.8
  • TI-2024-32382 An issue in assimp v.5.4.3 allows a local attacker to execute arbitrary code via the… CVSS 3.1HIGH 8.4
  • TI-2024-35797 A heap-buffer-overflow vulnerability was discovered in the SkipSpacesAndLineEnd function… CVSS 3.1MEDIUM 6.2
  • TI-2024-32385 A segmentation fault (SEGV) was detected in the SortByPTypeProcess::Execute function in… CVSS 3.1MEDIUM 6.2
  • TI-2024-32384 A segmentation fault (SEGV) was detected in the… CVSS 3.1MEDIUM 5.5
  • TI-2024-32383 A heap-buffer-overflow vulnerability has been identified in the… CVSS 3.1MEDIUM 5.5
See all 46 →

Sources