| Title | Assimp commit 17c12da Divide By Zero |
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| Description | A division-by-zero vulnerability exists in Assimp's FBX exporter within the FBXExporter::WriteObjects() function at FBXExporter.cpp:1249. The flaw occurs when processing UV channels where the component count mNumUVComponents[uvi] is zero. The code performs a division operation using this zero value without any validation check, triggering a floating-point exception (FPE) and an immediate program crash. Remote attackers can exploit this vulnerability via a maliciously crafted input file to cause a denial-of-service (DoS) condition. |
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| Source | ⚠️ https://github.com/assimp/assimp/issues/6613 |
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| User | TYGLS (UID 94774) |
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| Submission | 05/07/2026 04:45 (3 months ago) |
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| Moderation | 05/31/2026 08:14 (24 days later) |
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| Status | Accepted |
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| VulDB entry | 367481 [Assimp up to 6.0.4 UV Channel FBXExporter.cpp WriteObjects divide by zero] |
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| Points | 20 |
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