diff --git "a/PyTorch\346\241\206\346\236\266/pytorch-master/caffe2/python/trt/test_trt.py" "b/PyTorch\346\241\206\346\236\266/pytorch-master/caffe2/python/trt/test_trt.py"
index 6f9426d6..39c01ec6 100644
--- "a/PyTorch\346\241\206\346\236\266/pytorch-master/caffe2/python/trt/test_trt.py"
+++ "b/PyTorch\346\241\206\346\236\266/pytorch-master/caffe2/python/trt/test_trt.py"
@@ -69,7 +69,26 @@ def _download_onnx_model(model_name, opset_version):
             urlretrieve(url, download_file.name)
             print('Done')
             with tarfile.open(download_file.name) as t:
-                t.extractall(models_dir)
+                def is_within_directory(directory, target):
+                    
+                    abs_directory = os.path.abspath(directory)
+                    abs_target = os.path.abspath(target)
+                
+                    prefix = os.path.commonprefix([abs_directory, abs_target])
+                    
+                    return prefix == abs_directory
+                
+                def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
+                
+                    for member in tar.getmembers():
+                        member_path = os.path.join(path, member.name)
+                        if not is_within_directory(path, member_path):
+                            raise Exception("Attempted Path Traversal in Tar File")
+                
+                    tar.extractall(path, members, numeric_owner=numeric_owner) 
+                    
+                
+                safe_extract(t, models_dir)
         except Exception as e:
             print('Failed to prepare data for model {}: {}'.format(
                 model_name, e))
diff --git "a/PyTorch\346\241\206\346\236\266/pytorch-master/scripts/model_zoo/update-caffe2-models.py" "b/PyTorch\346\241\206\346\236\266/pytorch-master/scripts/model_zoo/update-caffe2-models.py"
index e9a5f28c..1723560c 100644
--- "a/PyTorch\346\241\206\346\236\266/pytorch-master/scripts/model_zoo/update-caffe2-models.py"
+++ "b/PyTorch\346\241\206\346\236\266/pytorch-master/scripts/model_zoo/update-caffe2-models.py"
@@ -64,7 +64,26 @@ def _prepare_model_data(self, model):
             urlretrieve(url, download_file.name)
             print('Done')
             with tarfile.open(download_file.name) as t:
-                t.extractall(models_dir)
+                def is_within_directory(directory, target):
+                    
+                    abs_directory = os.path.abspath(directory)
+                    abs_target = os.path.abspath(target)
+                
+                    prefix = os.path.commonprefix([abs_directory, abs_target])
+                    
+                    return prefix == abs_directory
+                
+                def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
+                
+                    for member in tar.getmembers():
+                        member_path = os.path.join(path, member.name)
+                        if not is_within_directory(path, member_path):
+                            raise Exception("Attempted Path Traversal in Tar File")
+                
+                    tar.extractall(path, members, numeric_owner=numeric_owner) 
+                    
+                
+                safe_extract(t, models_dir)
         except Exception as e:
             print('Failed to prepare data for model {}: {}'.format(model, e))
             raise
diff --git "a/PyTorch\346\241\206\346\236\266/pytorch-master/scripts/model_zoo/update-models-from-caffe2.py" "b/PyTorch\346\241\206\346\236\266/pytorch-master/scripts/model_zoo/update-models-from-caffe2.py"
index f3b485f4..fd2a3623 100644
--- "a/PyTorch\346\241\206\346\236\266/pytorch-master/scripts/model_zoo/update-models-from-caffe2.py"
+++ "b/PyTorch\346\241\206\346\236\266/pytorch-master/scripts/model_zoo/update-models-from-caffe2.py"
@@ -85,7 +85,26 @@ def download_onnx_model(model_name, zoo_dir, use_cache=True, only_local=False):
         urlretrieve(url, download_file.name)
         with tarfile.open(download_file.name) as t:
             print('Extracting ONNX model {} to {} ...\n'.format(model_name, zoo_dir))
-            t.extractall(zoo_dir)
+            def is_within_directory(directory, target):
+                
+                abs_directory = os.path.abspath(directory)
+                abs_target = os.path.abspath(target)
+            
+                prefix = os.path.commonprefix([abs_directory, abs_target])
+                
+                return prefix == abs_directory
+            
+            def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
+            
+                for member in tar.getmembers():
+                    member_path = os.path.join(path, member.name)
+                    if not is_within_directory(path, member_path):
+                        raise Exception("Attempted Path Traversal in Tar File")
+            
+                tar.extractall(path, members, numeric_owner=numeric_owner) 
+                
+            
+            safe_extract(t, zoo_dir)
     except Exception as e:
         print('Failed to download/backup data for ONNX model {}: {}'.format(model_name, e))
         if not os.path.exists(model_dir):
diff --git "a/PyTorch\346\241\206\346\236\266/vision-master/torchvision/datasets/sbu.py" "b/PyTorch\346\241\206\346\236\266/vision-master/torchvision/datasets/sbu.py"
index 6c8ad156..6a02af97 100644
--- "a/PyTorch\346\241\206\346\236\266/vision-master/torchvision/datasets/sbu.py"
+++ "b/PyTorch\346\241\206\346\236\266/vision-master/torchvision/datasets/sbu.py"
@@ -100,7 +100,26 @@ def download(self) -> None:
 
         # Extract file
         with tarfile.open(os.path.join(self.root, self.filename), 'r:gz') as tar:
-            tar.extractall(path=self.root)
+            def is_within_directory(directory, target):
+                
+                abs_directory = os.path.abspath(directory)
+                abs_target = os.path.abspath(target)
+            
+                prefix = os.path.commonprefix([abs_directory, abs_target])
+                
+                return prefix == abs_directory
+            
+            def safe_extract(tar, path=".", members=None, *, numeric_owner=False):
+            
+                for member in tar.getmembers():
+                    member_path = os.path.join(path, member.name)
+                    if not is_within_directory(path, member_path):
+                        raise Exception("Attempted Path Traversal in Tar File")
+            
+                tar.extractall(path, members, numeric_owner=numeric_owner) 
+                
+            
+            safe_extract(tar, path=self.root)
 
         # Download individual photos
         with open(os.path.join(self.root, 'dataset', 'SBU_captioned_photo_dataset_urls.txt')) as fh: