Christian Heimes <li...@cheimes.de> added the comment:

Adding regular expression support to -W and PYTHONWARNINGS env var turns the 
options into potential attack vectors. It can introduce REDOS vulnerability.

----------
keywords: +security_issue
nosy: +christian.heimes
type:  -> enhancement
versions: +Python 3.11 -Python 3.10, Python 3.6, Python 3.7, Python 3.8, Python 
3.9

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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue34624>
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