[issue43124] [security] smtplib multiple CRLF injection

[Alireza Pourali]

Change by Alireza Pourali <pouralialireza2 at gmail.com>:


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components:  -email
type: security -> performance
versions:  -Python 3.10, Python 3.6, Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue43124>
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