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Title: [3.13] gh-143195: fix UAF in `{bytearray,memoryview}.hex(sep)` via re-entrant `sep.__len__` (GH-143209) by picnixz · Pull Request #143220 · python/cpython · GitHub

Open Graph Title: [3.13] gh-143195: fix UAF in `{bytearray,memoryview}.hex(sep)` via re-entrant `sep.__len__` (GH-143209) by picnixz · Pull Request #143220 · python/cpython

X Title: [3.13] gh-143195: fix UAF in `{bytearray,memoryview}.hex(sep)` via re-entrant `sep.__len__` (GH-143209) by picnixz · Pull Request #143220 · python/cpython

Description: The Python programming language. Contribute to python/cpython development by creating an account on GitHub.

Open Graph Description: (cherry picked from commit 9976c2b) Issue: Use-after-free in _Py_strhex_impl via re-entrant sep.__len__ in bytearray.hex #143195

X Description: (cherry picked from commit 9976c2b) Issue: Use-after-free in _Py_strhex_impl via re-entrant sep.__len__ in bytearray.hex #143195

Opengraph URL: https://github.com/python/cpython/pull/143220

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[3.13] gh-143195: fix UAF in {bytearray,memoryview}.hex(sep) via re-entrant sep.__len__ (GH-143209)https://github.com/python/cpython/pull/143220/commits#top
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[3.13] gh-143195: fix UAF in `{bytearray,memoryview}.hex(sep)` via re-entrant `sep.__len__` (GH-143209)https://github.com/python/cpython/pull/143220/commits/b38a7be889077a9cb443be4f8c9f4fc4ef6b5b77
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