OSV-2025-373 Heap-use-after-free in aiMesh::~aiMesh

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=417905428 Crash type: Heap-use-after-free READ 8 Crash state: aiMesh::aiMesh aiScene::aiScene Assimp::BaseProcess::ExecuteOnScene...