CVE-2026-112019: medium-severity vulnerability in jkuhlmann cgltf
cgltf through 1.15 Heap Out-of-Bounds Read via cgltf_accessor_unpack_floats()
Published · Updated
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13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 6.9epss 0.2%
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 cgltf_validate() to read adjacent heap memory into vertex data or crash applications.
CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N
Affected products
jkuhlmann · cgltfRelated CVEs — jkuhlmann cgltf
In the same product, most dangerous first.
CVE-2026-75148MEDIUMcgltf 1.15 Integer Overflow via cgltf_validate() Accessor Bounds CheckEPSS 0.2%CVE-2026-112018HIGHcgltf through 1.15 Heap Out-of-Bounds Write via cgltf_accessor_unpack_floats()EPSS 0.2%CVE-2026-32845MEDIUMjkuhlmann / cgltf <= 1.15 Sparse Accessor Validation Integer OverflowEPSS 0.1%
References
https://github.com/jkuhlmann/cgltfhttps://github.com/jkuhlmann/cgltf/blob/360db1a95480fe102ae9c69b27c5d101167ff5ba/cgltf.h#L1612-L1619https://github.com/jkuhlmann/cgltf/blob/360db1a95480fe102ae9c69b27c5d101167ff5ba/cgltf.h#L2436-L2441https://hackmd.io/@haindpwn/cgltf-accessor-unpack-floats-sparse-oobhttps://www.vulncheck.com/advisories/cgltf-through-1.15-heap-out-of-bounds-read-via-cgltf-accessor-unpack-floats