It was discovered that Python incorrectly handled certain character sequences. A remote attacker could possibly use this issue to perform CRLF injection.
2.7.12-1ubuntu0~16.04.133.5.2-2ubuntu0~16.04.122.7.17-1~18.04ubuntu1.23.6.9-1~18.04ubuntu1.32.7.6-8ubuntu0.6+esm73.4.3-1ubuntu1~14.04.7+esm8