From c05895f3c73717a4df96e1d1391d499c1187d620 Mon Sep 17 00:00:00 2001
From: Kim Kulling <kimkulling@users.noreply.github.com>
Date: Fri, 26 Apr 2024 10:11:19 +0100
Subject: [PATCH] Q3DLoader: Fix possible material string overflow (#5556)

- closes https://github.com/assimp/assimp/issues/5555
---
 code/AssetLib/Q3D/Q3DLoader.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/code/AssetLib/Q3D/Q3DLoader.cpp b/code/AssetLib/Q3D/Q3DLoader.cpp
index 435b92e82..ac6b17ec6 100644
--- a/code/AssetLib/Q3D/Q3DLoader.cpp
+++ b/code/AssetLib/Q3D/Q3DLoader.cpp
@@ -250,6 +250,10 @@ void Q3DImporter::InternReadFile(const std::string &pFile,
                 c = stream.GetI1();
                 while (c) {
                     mat.name.data[mat.name.length++] = c;
+                    if (mat.name.length == MAXLEN) {
+                        ASSIMP_LOG_ERROR("String ouverflow detected, skipped material name parsing.");
+                        break;
+                    }
                     c = stream.GetI1();
                 }