{"id":"CVE-2026-112019","title":"cgltf through 1.15 Heap Out-of-Bounds Read via cgltf_accessor_unpack_floats()","summary":"cgltf through 1.15 contains a heap out-of-bounds read vulnerability in cgltf_accessor_unpack_floats() that advances the sparse values cursor by the base bufferView byteStride. Attackers can supply a crafted glTF or GLB file that passes c…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H","cvssSource":"cna","cwe":["CWE-125"],"vendor":"jkuhlmann","product":"cgltf","affected":["cgltf <= 1.15"],"ssvc":{"exploitation":"poc","automatable":"no","technicalImpact":"partial","timestamp":"2026-10-20T17:42:17.788312Z"},"exploitAvailable":true,"published":"2026-10-18","updated":"2026-10-20","sourceUpdated":"2026-10-20T17:42:50.088Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-112019","references":[{"url":"https://hackmd.io/@haindpwn/cgltf-accessor-unpack-floats-sparse-oob"},{"url":"https://github.com/jkuhlmann/cgltf/blob/360db1a95480fe102ae9c69b27c5d101167ff5ba/cgltf.h#L2436-L2441"},{"url":"https://github.com/jkuhlmann/cgltf/blob/360db1a95480fe102ae9c69b27c5d101167ff5ba/cgltf.h#L1612-L1619"},{"url":"https://github.com/jkuhlmann/cgltf"},{"url":"https://www.vulncheck.com/advisories/cgltf-through-1.15-heap-out-of-bounds-read-via-cgltf-accessor-unpack-floats","label":"VulnCheck Advisory: cgltf through 1.15 Heap Out-of-Bounds Read via cgltf_accessor_unpack_floats()"}],"tags":["cve.org","exploit-available"],"epss":0.00187,"epssPercentile":0.08245,"ingestedAt":"2026-10-18T11:40:26.619Z","slug":"CVE-2026-112019","body":"## Overview\n\ncgltf through 1.15 contains a heap out-of-bounds read vulnerability in cgltf_accessor_unpack_floats() that advances the sparse values cursor by the base bufferView byteStride. Attackers can supply a crafted glTF or GLB file that passes cgltf_validate() to read adjacent heap memory into vertex data or crash applications.\n\n## Affected\n\n- `cgltf <= 1.15`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":46,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":12,"ransomware":0},"changes":[{"seq":226042,"id":"CVE-2026-112019","ts":1792520122404,"field":"exploit_available","old":"false","new":"true"}]}