{"id":"UBUNTU-CVE-2020-28589","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.","modified":"2026-05-20T16:04:24.130307515Z","published":"2021-08-11T13:15:00Z","upstream":["CVE-2020-28589"],"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"}],"affected":[{"package":{"name":"tinyobjloader","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/tinyobjloader?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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":"libtinyobjloader1","binary_version":"2.0.0~rc5+dfsg1-5build1"},{"binary_name":"python3-tinyobjloader","binary_version":"2.0.0~rc5+dfsg1-5build1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28589.json"}},{"package":{"name":"tinyobjloader","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/tinyobjloader?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~rc10+dfsg-3","2.0.0~rc10+dfsg-3build1","2.0.0~rc10+dfsg-3build2"],"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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28589.json"}},{"package":{"name":"tinyobjloader","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/tinyobjloader?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"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-3"},{"binary_name":"python3-tinyobjloader","binary_version":"2.0.0~rc13+dfsg-3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28589.json"}},{"package":{"name":"tinyobjloader","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/tinyobjloader?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.0.0~rc13+dfsg-3","2.0.0~rc13+dfsg-3build1","2.0.0~rc13+dfsg-3build2"],"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"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-28589.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","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":"Ubuntu","score":"medium"}]}