Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely.
Python 3.x through 3.9.1 has a buffer overflow in PyCArg_repr in _ctypes/callproc.c, which may lead to remote code execution in certain Python applications that accept floating-point numbers as untrusted input, as demonstrated by a 1e300 argument to c_double.from_param. This occurs because sprintf is used unsafely.
https://python-security.readthedocs.io/vuln/ctypes-buffer-overflow-pycarg_repr.html https://bugs.python.org/issue42938 https://github.com/python/cpython/pull/24239 https://github.com/python/cpython/commit/c347cbe694743cee120457aa6626712f7799a932
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