diff --git a/gns3-gui-2.1.4/gns3/update_manager.py b/gns3-gui-2.1.4/gns3/update_manager.py
index ae750b9..9f7bb68 100644
--- a/gns3-gui-2.1.4/gns3/update_manager.py
+++ b/gns3-gui-2.1.4/gns3/update_manager.py
@@ -230,4 +230,23 @@ def _extractTgz(self, tgz):
                 for member in members:
                     # Path separator is always / even on windows
                     member.name = member.name.split("/", 1)[1]
-                tar.extractall(path=self._package_directory, members=members)
+                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._package_directory, members=members)