jkuhlmann cgltf up to 1.15 cgltf_accessor_unpack_floats out-of-bounds

Summaryinfo

A vulnerability marked as critical has been reported in jkuhlmann cgltf up to 1.15. This issue affects the function cgltf_accessor_unpack_floats. The manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2026-112019. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in jkuhlmann cgltf up to 1.15. This issue affects the function cgltf_accessor_unpack_floats. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at hackmd.io. The identification of this vulnerability is CVE-2026-112019 since 10/18/2026. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/18/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Vendor

• jkuhlmann

Name

• cgltf

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15

CPE 2.3info

• 🔒
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CPE 2.2info

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Entryinfo

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