[issue30458] [security][CVE-2019-9740][CVE-2019-9947] HTTP Header Injection (follow-up of CVE-2016-5699)

[Roundup Robot]

Change by Roundup Robot <devnull at psf.upfronthosting.co.za>:


----------
pull_requests: +13655
pull_request: https://github.com/python/cpython/pull/13771

_______________________________________
Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue30458>
_______________________________________