{"id":"UBUNTU-CVE-2026-29628","details":"A stack overflow in the experimental/tinyobj_loader_opt.h file of tinyobjloader commit d56555b allows attackers to cause a Denial of Service (DoS) via supplying a crafted .mtl file.","modified":"2026-05-20T16:24:54.838793429Z","published":"2026-04-13T15:17:00Z","upstream":["CVE-2026-29628"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-29628"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-29628"},{"type":"REPORT","url":"https://github.com/kiyochii/CVE-2026-29628"},{"type":"REPORT","url":"https://github.com/kiyochii/tinyobjloader/commit/386b73bb8c1a855236beb73b11f45f7feac4e03a"}],"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/2026/UBUNTU-CVE-2026-29628.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_version":"2.0.0~rc10+dfsg-3build2","binary_name":"libtinyobjloader2rc10"},{"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/2026/UBUNTU-CVE-2026-29628.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/2026/UBUNTU-CVE-2026-29628.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/2026/UBUNTU-CVE-2026-29628.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}