{"schema":"threatline.record/2","record":{"id":"CVE-2026-112018","aliases":[],"summary":"cgltf through 1.15 Heap Out-of-Bounds Write via cgltf_accessor_unpack_floats()","details":"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.","categories":["Unclassified"],"product":"cgltf","vendor":"jkuhlmann","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-112018","source_modified_at":"2026-10-19T18:36:59.959Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"cgltf","vendor":"jkuhlmann","versions":[{"version":"0","lessThanOrEqual":"1.15","status":"affected","versionType":"custom"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":7.3,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00127,"percentile":0.02185,"score_date":"2026-10-23"},"published_at":"2026-10-18T11:38:38.538Z","modified_at":"2026-10-19T18:36:59.959Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-112018","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-19T18:36:59.959Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-112018","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@haindpwn/cgltf-accessor-unpack-floats-sparse-oob","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/jkuhlmann/cgltf/blob/360db1a95480fe102ae9c69b27c5d101167ff5ba/cgltf.h#L2436-L2441","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/jkuhlmann/cgltf","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/cgltf-through-1.15-heap-out-of-bounds-write-via-cgltf-accessor-unpack-floats","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://hackmd.io/@haindpwn/cve-2026-112018-112019-cgltf-accessor-unpack-floats-sparse-oob","tags":["exploit"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"poc","automatable":"no","technical_impact":"total","assessed_at":"2026-10-19T18:36:26.574966Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-19T18:36:59.959Z","content_hash":"eeea87f9e0fd65ea08e231ace9e709af1887dee9f65a3d9d20dfd9562706fbe2"}}