diff --git a/third_party/python3/linux_x86_64/lib/python3.6/tarfile.py b/third_party/python3/linux_x86_64/lib/python3.6/tarfile.py
index 5d4c86c..b7f3bb6 100755
--- a/third_party/python3/linux_x86_64/lib/python3.6/tarfile.py
+++ b/third_party/python3/linux_x86_64/lib/python3.6/tarfile.py
@@ -2503,7 +2503,26 @@ def main():
 
         if is_tarfile(src):
             with TarFile.open(src, 'r:*') as tf:
-                tf.extractall(path=curdir)
+                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, path=curdir)
             if args.verbose:
                 if curdir == '.':
                     msg = '{!r} file is extracted.'.format(src)
diff --git a/third_party/python3/linux_x86_64/lib/python3.6/test/test_tarfile.py b/third_party/python3/linux_x86_64/lib/python3.6/test/test_tarfile.py
index fc79055..3fa9501 100644
--- a/third_party/python3/linux_x86_64/lib/python3.6/test/test_tarfile.py
+++ b/third_party/python3/linux_x86_64/lib/python3.6/test/test_tarfile.py
@@ -604,7 +604,26 @@ def test_extractall_pathlike_name(self):
         with support.temp_dir(DIR), \
              tarfile.open(tarname, encoding="iso8859-1") as tar:
             directories = [t for t in tar if t.isdir()]
-            tar.extractall(DIR, directories)
+            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, DIR, directories)
             for tarinfo in directories:
                 path = DIR / tarinfo.name
                 self.assertEqual(os.path.getmtime(path), tarinfo.mtime)