[issue20749] shutil.unpack_archive(): security concerns not documented

[swenson]

Change by swenson <swenson at swenson.io>:


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keywords: +patch
nosy: +swenson
nosy_count: 3.0 -> 4.0
pull_requests: +27458
stage: needs patch -> patch review
pull_request: https://github.com/python/cpython/pull/29184

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue20749>
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