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.
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History
Tue, 20 Oct 2026 01:30:00 +0000
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Mon, 19 Oct 2026 19:30:00 +0000
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Sun, 18 Oct 2026 22:15:00 +0000
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Jkuhlmann
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Jkuhlmann
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Sun, 18 Oct 2026 11:45:00 +0000
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| 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. | |
| Title | cgltf through 1.15 Heap Out-of-Bounds Write via cgltf_accessor_unpack_floats() | |
| Weaknesses | CWE-787 | |
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cvssV3_1
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Status: PUBLISHED
Assigner: VulnCheck
Published: 2026-10-18T11:38:38.538Z
Updated: 2026-10-19T18:36:59.959Z
Reserved: 2026-10-18T01:24:50.766Z
Link: CVE-2026-112018
Updated: 2026-10-19T18:36:52.601Z
Status : Deferred
Published: 2026-10-18T12:17:14.747
Modified: 2026-10-19T19:17:25.060
Link: CVE-2026-112018
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