{"id":"UBUNTU-CVE-2026-71266","details":"tinyobjloader-c's tinyobj_parse_and_index_mtl_file (tinyobj_loader_c.h) reads each line of a .mtl material file into a fixed 4096-byte stack buffer via memcpy(linebuf, p, p_len), guarded only by . The identical vulnerable pattern is duplicated in a second function in the same file.","modified":"2026-08-13T00:14:08Z","published":"2026-08-05T13:24:00Z","upstream":["CVE-2026-71266"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-71266"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2026-71266"},{"type":"REPORT","url":"https://github.com/syoyo/tinyobjloader-c"},{"type":"REPORT","url":"https://github.com/syoyo/tinyobjloader-c/blob/master/tinyobj_loader_c.h"}],"affected":[{"package":{"name":"goxel","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/goxel?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.7.1-2","0.7.2-1"],"ecosystem_specific":{"binaries":[{"binary_name":"goxel","binary_version":"0.7.2-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71266.json"}},{"package":{"name":"goxel","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/goxel?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.8.1-1","0.8.1-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.8.1-1build1","binary_name":"goxel"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71266.json"}},{"package":{"name":"goxel","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/goxel?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.10.6-3","0.10.8-1"],"ecosystem_specific":{"binaries":[{"binary_name":"goxel","binary_version":"0.10.8-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71266.json"}},{"package":{"name":"goxel","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/goxel?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.0-1.1","0.11.0-1.1build2","0.11.0-1.1build3"],"ecosystem_specific":{"binaries":[{"binary_name":"goxel","binary_version":"0.11.0-1.1build3"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71266.json"}},{"package":{"name":"goxel","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/goxel?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.11.0-1.1build3","0.11.0-1.1build4"],"ecosystem_specific":{"binaries":[{"binary_version":"0.11.0-1.1build4","binary_name":"goxel"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-71266.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},{"type":"Ubuntu","score":"medium"}]}