diff --git a/data/human36m_preprocess.py b/data/human36m_preprocess.py
index d8dc8d5..d6206b3 100644
--- a/data/human36m_preprocess.py
+++ b/data/human36m_preprocess.py
@@ -115,7 +115,29 @@ def extract_tgz(tgz_file, dest):
         base_path = path.sep.join(commonprefix(member_dirs))
         for m in members:
             m.name = path.relpath(m.name, base_path)
-        tar.extractall(dest)
+        
+        import os
+        
+        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, dest)
 
 def extract(out_dir,tgzs):
     out_dir = path.join(out_dir,'videos')