ubuntu-cve-2020-28589
Vulnerability from osv_ubuntu
Published
2021-08-11 13:15
Modified
2026-05-20 14:52
Summary
Details

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.

Severity
9.6 (Critical)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
8.8 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
medium
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libtinyobjloader1",
            "binary_version": "2.0.0~rc5+dfsg1-5build1"
          },
          {
            "binary_name": "python3-tinyobjloader",
            "binary_version": "2.0.0~rc5+dfsg1-5build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "tinyobjloader",
        "purl": "pkg:deb/ubuntu/tinyobjloader@2.0.0~rc5+dfsg1-5build1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.0~rc5+dfsg1-4build1",
        "2.0.0~rc5+dfsg1-4build2",
        "2.0.0~rc5+dfsg1-5",
        "2.0.0~rc5+dfsg1-5build1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libtinyobjloader2rc10",
            "binary_version": "2.0.0~rc10+dfsg-3build2"
          },
          {
            "binary_name": "python3-tinyobjloader",
            "binary_version": "2.0.0~rc10+dfsg-3build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "tinyobjloader",
        "purl": "pkg:deb/ubuntu/tinyobjloader@2.0.0~rc10+dfsg-3build2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.0~rc10+dfsg-3",
        "2.0.0~rc10+dfsg-3build1",
        "2.0.0~rc10+dfsg-3build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libtinyobjloader2rc13",
            "binary_version": "2.0.0~rc13+dfsg-3"
          },
          {
            "binary_name": "python3-tinyobjloader",
            "binary_version": "2.0.0~rc13+dfsg-3"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "tinyobjloader",
        "purl": "pkg:deb/ubuntu/tinyobjloader@2.0.0~rc13+dfsg-3?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.0~rc13+dfsg-2build1",
        "2.0.0~rc13+dfsg-3"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libtinyobjloader2rc13",
            "binary_version": "2.0.0~rc13+dfsg-3build2"
          },
          {
            "binary_name": "python3-tinyobjloader",
            "binary_version": "2.0.0~rc13+dfsg-3build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "tinyobjloader",
        "purl": "pkg:deb/ubuntu/tinyobjloader@2.0.0~rc13+dfsg-3build2?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2.0.0~rc13+dfsg-3",
        "2.0.0~rc13+dfsg-3build1",
        "2.0.0~rc13+dfsg-3build2"
      ]
    }
  ],
  "aliases": [],
  "details": "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.",
  "id": "UBUNTU-CVE-2020-28589",
  "modified": "2026-05-20T14:52:35Z",
  "published": "2021-08-11T13:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2020-28589"
    },
    {
      "type": "REPORT",
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2020-1212"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2020-28589"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2020-28589"
  ]
}



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