python/cpython
Pull Request Overview
- Opened on September 17, 2026
- Status Merged
- Commit count 1 with first commit September 18, 2026
Total Delta
91 Total Diff Delta
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Open 1 weekdays
Test Delta
20 Diff Delta in Test Files
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gh-157710: Detect overflow in PyUnicodeWriter_Finish()
Check if the trailing null character has been modified to detect buffer overflow in C extensions.
_PyUnicode_CheckConsistency() now always check if the trailing null character has been overridden to detect buffer overflow. Previously, it was only been checked if check_content parameter was non-zero.
- Issue: gh-157710
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