diff -Naur python-jose-3.3.0/jose/jwe.py python-jose-3.3.0_cve/jose/jwe.py --- python-jose-3.3.0/jose/jwe.py 2021-06-05 00:11:22.000000000 +0800 +++ python-jose-3.3.0_cve/jose/jwe.py 2024-04-26 17:33:01.319314391 +0800 @@ -76,6 +76,10 @@ >>> jwe.decrypt(jwe_string, 'asecret128bitkey') 'Hello, World!' """ + # limit the token size to 250 KB + if len(jwe_str) > 250 * 1024: + raise JWEError("JWE string exceeds 250 KB") + header, encoded_header, encrypted_key, iv, cipher_text, auth_tag = _jwe_compact_deserialize(jwe_str) # Verify that the implementation understands and can process all