Fix multiplying a list by an integer (list *= int): detect the integer
overflow when the new allocated length is close to the maximum size. Issue
reported by Jordan Limor. Patch by Victor Stinner.
Fix a shell code injection vulnerability in the
get-remote-certificate.py example script. The script no longer uses a
shell to run openssl commands. Issue reported and initial fix by Caleb
Shortt. Patch by Victor Stinner.
Fix command line parsing: reject :option:`-X int_max_str_digits <-X>` option with no value (invalid) when the :envvar:`PYTHONINTMAXSTRDIGITS` environment variable is set to a valid limit. Patch by Victor Stinner.
When :exc:`ValueError` is raised if an integer is larger than the limit, mention the :func:`sys.set_int_max_str_digits` function in the error message. Patch by Victor Stinner.
Update bundled libexpat to 2.4.9
Fixes a potential buffer overrun in :mod:`msilib`.