7.0Alta
CVE-2026-112018cgltf through 1.15 Heap Out-of-Bounds Write via cgltf_accessor_unpack_floats()
Descripción
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.
Debilidad (CWE):
CWE-787
Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.
Productos y versiones afectados
Referencias y parches
- https://hackmd.io/@haindpwn/cgltf-accessor-unpack-floats-sparse-oob technical-description
- https://github.com/jkuhlmann/cgltf/blob/360db1a95480fe102ae9c69b27c5d101167ff5ba/cgltf.h#L2436-L2441 technical-description
- https://github.com/jkuhlmann/cgltf product
- VulnCheck Advisory: cgltf through 1.15 Heap Out-of-Bounds Write via cgltf_accessor_unpack_floats() third-party-advisory
- https://hackmd.io/@haindpwn/cve-2026-112018-112019-cgltf-accessor-unpack-floats-sparse-oob