check for invalid vertex

2020-07-07 23:29:54 -04:00
parent 37c74f6fa3
commit 628394baec
1 changed files with 3 additions and 0 deletions
--- a/code/AssetLib/AC/ACLoader.cpp
+++ b/code/AssetLib/AC/ACLoader.cpp
@@ -624,6 +624,9 @@ aiNode *AC3DImporter::ConvertObjectSection(Object &object,
                                        ++uv;
                                    }
                                }
+                                if (static_cast<unsigned>(vertices - mesh->mVertices) >= mesh->mNumVertices) {
+                                    throw DeadlyImportError("AC3D: Invalid number of vertices");
+                                }
                                *vertices++ = object.vertices[entry3.first] + object.translation;
                                if (uv) {
                                    uv->x = entry3.second.x;