Read the docs
TI-2020-17321 Aliases CVE-2020-28589GHSA-fhwq-38jv-9c62

Improper array index validation in tinyobjloader

Priority MEDIUM 42CWE-129Published · Updated

Key facts

Attack vector
Network
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-129 and the CVSS impact.

Summary

An improper array index validation vulnerability exists in the LoadObj functionality of tinyobjloader v2.0-rc1 and tinyobjloader development commit 79d4421. A specially crafted file could lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Why it matters now

EPSS 0.0188 79th 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
—tinyobjloadertinyobjloader development commit 79d4421 , tinyobjloader v2.0-rc1—No fix listedCNA
  • tinyobjloader Vendor— Affected tinyobjloader development commit 79d4421 , tinyobjloader v2.0-rc1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tinyobjloader_project:tinyobjloader:2.0:rc1:*:*:*:*:*:*2.0 rc1VulnerableTinyobjloader Project
  • cpe:2.3:a:tinyobjloader_project:tinyobjloader:2.0:rc1:*:*:*:*:*:* Versions 2.0 rc1 Vulnerable ·Tinyobjloader Project

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-28589
  2. 2026-10-03 Alias added: GHSA-fhwq-38jv-9c62

References

Exploit 1

Sources

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