GeezerVison is showing github.com — [3.13] gh-138158: Use the `"data"` tarfile extraction filter in `Tools/ssl/multissltests.py` (GH-138147) by miss-islington · Pull Request #138263 · python/cpython
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miss-islington
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Aug 30, 2025
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edited by bedevere-app
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The Tools/ssl/multissltests.py script may extract a possibly untrusted tarball.
Since the script does not necessarily use Python 3.14 or later (where the "data"
filter became the default tarfile extraction filter), the user may theoretically
suffer from a path traversal attack.
Although the script should not be used in production and usually relies on downloading
trusted sources, the "data" extraction filter is now explicitly used wherever relevant.
(cherry picked from commit 31d3836)
Co-authored-by: Tommaso Bona [email protected]
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…/ssl/multissltests.py` (pythonGH-138147)
The `Tools/ssl/multissltests.py` script may extract a possibly untrusted tarball.
Since the script does not necessarily use Python 3.14 or later (where the `"data"`
filter became the default `tarfile` extraction filter), the user may theoretically
suffer from a path traversal attack.
Although the script should not be used in production and usually relies on downloading
trusted sources, the `"data"` extraction filter is now explicitly used wherever relevant.
(cherry picked from commit 31d3836)
Co-authored-by: Tommaso Bona <[email protected]>
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picnixz
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