OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39339
Crash type: Heap-buffer-overflow READ 1
Crash state:
Assimp::BaseImporter::ConvertToUTF8
Assimp::BaseImporter::TextFileToBuffer
Assimp::OpenGEX::OpenGEXImporter::InternReadFile