{"id":"CVE-2026-112018","revision":"d305bf792f6e4da398a305e76e1fde3f","records":[{"revision":"d305bf792f6e4da398a305e76e1fde3f","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-112018","aliases":[],"title":"cgltf through 1.15 Heap Out-of-Bounds Write via cgltf_accessor_unpack_floats()","description":"cgltf through 1.15 contains a heap out-of-bounds write vulnerability in cgltf_accessor_unpack_floats() that allows attackers to write outside the output buffer via unchecked sparse accessor indices. Attackers can supply a crafted glTF or GLB file with large sparse indices to corrupt heap memory, crash applications, and potentially execute code when cgltf_validate() is not called.","state":0,"publishedAt":"2026-10-18T11:38:38.538+00:00","modifiedAt":"2026-10-19T18:36:59.959+00:00","affected":[{"ecosystem":"Vendor product","name":"cgltf","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"jkuhlmann\",\n                    \"product\": \"cgltf\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0\",\n                            \"lessThanOrEqual\": \"1.15\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"custom\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/jkuhlmann/cgltf\",\n                    \"repo\": \"https://github.com/jkuhlmann/cgltf\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","score":7.3,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7,"severity":"HIGH"}],"references":["https://hackmd.io/@haindpwn/cgltf-accessor-unpack-floats-sparse-oob","https://github.com/jkuhlmann/cgltf/blob/360db1a95480fe102ae9c69b27c5d101167ff5ba/cgltf.h#L2436-L2441","https://github.com/jkuhlmann/cgltf","https://www.vulncheck.com/advisories/cgltf-through-1.15-heap-out-of-bounds-write-via-cgltf-accessor-unpack-floats"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112018","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-112018","identifiers":["CVE-2026-112018"]},"retained":false,"historicalAffected":[]}],"coverage":[]}