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Add a warning about untrusted input to configparser docs #146276

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jaraco merged 1 commit into from
Mar 22, 2026
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Add a warning about untrusted input to configparser docs #146276

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5 changes: 5 additions & 0 deletions Doc/library/configparser.rst
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Expand Up @@ -24,6 +24,11 @@ can be customized by end users easily.
This library does *not* interpret or write the value-type prefixes used in
the Windows Registry extended version of INI syntax.

.. warning::
Be cautious when parsing data from untrusted sources. A malicious
INI file may cause the decoder to consume considerable CPU and memory
resources. Limiting the size of data to be parsed is recommended.

.. seealso::

Module :mod:`tomllib`
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