diff --git a/recipes/recipe_modules/gitiles/resources/gerrit_client.py b/recipes/recipe_modules/gitiles/resources/gerrit_client.py
index db524552..3859ff5b 100755
--- a/recipes/recipe_modules/gitiles/resources/gerrit_client.py
+++ b/recipes/recipe_modules/gitiles/resources/gerrit_client.py
@@ -184,7 +184,26 @@ def _extract_member(tarinfo, targetpath):
           ret['extracted']['bytes'] += tarinfo.size
           return em(tarinfo, targetpath)
         tf._extract_member = _extract_member
-        tf.extractall(args.extract_to)
+        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(tf, args.extract_to)
       return ret
 
   if args.log_start: