[Buildroot] [PATCH] package/python3: add upstream security fix for CVE-2021-3177
Peter Korsgaard
peter at korsgaard.com
Sat Feb 6 09:57:20 UTC 2021
>>>>> "Peter" == Peter Korsgaard <peter at korsgaard.com> writes:
> Fixes the following security issue:
> - CVE-2021-3177: 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.
> For details, see the advisory:
> https://python-security.readthedocs.io/vuln/ctypes-buffer-overflow-pycarg_repr.html
> Signed-off-by: Peter Korsgaard <peter at korsgaard.com>
Committed, thanks.
--
Bye, Peter Korsgaard
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