Reproduction steps:
1. Create a new project
2. Import the "BadFBX.fbx file into the project Assets"

Expected result: The fbx file is imported or an error is given if it is corrupted
Actual result: The Editor crashes

Reproducible with: 2022.3.62f1, 6000.0.51f1, 6000.1.7f1, 6000.2.0b6
Oldest version checked for regression: 2022.1.0a1

Reproducible on: Windows 10 (User), MacOS 15.5 (Intel)
Not reproducible on: No other environment tested

Stacktrace:
Windows:
0x00007ff708eecee2 (Unity) UnityFBX::ConvertFBXSceneToImportScene
0x00007ff708ef2276 (Unity) UnityFBX::DoImportScene
0x00007ff708ea8a13 (Unity) FBXImporter::DoMeshImport
0x00007ff7096adf3a (Unity) ModelImporter::GenerateAssetData
0x00007ff708d612cd (Unity) ImportToObjects
0x00007ff708d6038c (Unity) ImportAsset

Mac:
#0 0x00000104e5bf8e in ImportAllBlendShapes(ImportMeshSettings const&, core::hash_map<fbxsdk::FbxMesh*, SharedMeshInfo, core::hash<fbxsdk::FbxMesh*>, std::__1::equal_to<fbxsdk::FbxMesh*>>&, ImportScene&)
#1 0x00000104e5e4e2 in UnityFBX::ConvertFBXSceneToImportScene(fbxsdk::FbxScene&, ImportScene&, ImportSettings const&, ImportMeshSettings const&)
#2 0x00000104e5d91f in UnityFBX::DoImportScene(ImportScene&, ImportSettings const*, ImportMeshSettings*, bool)
#3 0x00000104de1a48 in FBXImporter::DoMeshImport(AssetImportContext&, ImportScene&)
#4 0x00000105a233b0 in ModelImporter::GenerateAssetData(AssetImportContext&)