Fix out of bound access (#5651)

2024-07-03 21:37:24 +02:00
parent 625528d02c
commit ddb74c2bbd
1 changed files with 4 additions and 0 deletions
--- a/code/AssetLib/Ply/PlyLoader.cpp
+++ b/code/AssetLib/Ply/PlyLoader.cpp
@@ -564,6 +564,10 @@ void PLYImporter::LoadFace(const PLY::Element *pcElement, const PLY::ElementInst
        if (mGeneratedMesh->mFaces == nullptr) {
            mGeneratedMesh->mNumFaces = pcElement->NumOccur;
            mGeneratedMesh->mFaces = new aiFace[mGeneratedMesh->mNumFaces];
+        } else {
+            if (mGeneratedMesh->mNumFaces < pcElement->NumOccur) {
+                throw DeadlyImportError("Invalid .ply file: Too many faces");
+            }
        }

        if (!bIsTriStrip) {