From 54b0c00418a7084c64ab74542abb3ef10012cfee Mon Sep 17 00:00:00 2001
From: Alex <aleksandrosansan@gmail.com>
Date: Sat, 3 Jun 2023 20:28:37 +0000
Subject: [PATCH] Fix UNKNOWN READ in
 Assimp::MDLImporter::ParseSkinLump_3DGS_MDL7

---
 code/AssetLib/MDL/MDLMaterialLoader.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/AssetLib/MDL/MDLMaterialLoader.cpp b/code/AssetLib/MDL/MDLMaterialLoader.cpp
index fbda40151..bcd5f1d70 100644
--- a/code/AssetLib/MDL/MDLMaterialLoader.cpp
+++ b/code/AssetLib/MDL/MDLMaterialLoader.cpp
@@ -481,6 +481,10 @@ void MDLImporter::ParseSkinLump_3DGS_MDL7(
         pcNew->achFormatHint[2] = 's';
         pcNew->achFormatHint[3] = '\0';
 
+        if (szCurrent + pcNew->mWidth > this->mBuffer + this->iFileSize) {
+            throw DeadlyImportError("Invalid MDL file. Unexpected EOF");
+        }
+
         pcNew->pcData = (aiTexel *)new unsigned char[pcNew->mWidth];
         memcpy(pcNew->pcData, szCurrent, pcNew->mWidth);
         szCurrent += iWidth;