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April 05-07 - Mercurial Paris Conference 2023 - One day of workshop dedicated to Heptapod and Mercurial usage and workflow. There are still places available for both workshops and talks!

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  • #3870
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Issue created Dec 16, 2022 by Matti Picus@mattipOwner

C can call Py_UNICODE functions with values > sys.maxunicode

Found when building scipy. Code that calls the Py_UNICODE_IS* functions can use values ch>=sys.maxunicode. In CPython these functions are switch functions with hard-coded values. PyPy calls into unicodedb, which does not protect from invalid values.

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