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

[Sihoon Lee]

Change by Sihoon Lee <push0ebp at gmail.com>:


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pull_requests: +13545
pull_request: https://github.com/python/cpython/pull/12524

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