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Exploiting a Use-After-Free for code execution in every version of Python 3

pwn.win

A while ago I was browsing the Python bug tracker, and I stumbled upon this bug - “memoryview to freed memory can cause segfault”. It was created in 2012, originally present in Python 2.7, but remains open to this day, 10 years later. This piqued my interest, so I decided to take a closer look.

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