When using the "configparser" module to write configuration files containing multi-line text values with carriage return characters (\r) the resulting file could be injected with unexpected keys and values if the attacker controls the written value.CreditsD0n9 (https://github.com/D0n9)Petr Viktorin (https://github.com/encukou)Seth Larson (https://github.com/sethmlarson)Referenceshttps://github.com/python/cpython/pull/151559https://mail.python.org/archives/list/security-announce@python.org/thread/CV4NE6AFCRJL7XQOHX7J5TSDHUWVWGJS/https://github.com/python/cpython/issues/143927https://github.com/python/cpython/commit/5858e42c539dac8394636a6e9b30472b8994851fhttps://github.com/python/cpython/commit/0adb386f6e68eb2e73d32e19f235d012df009528https://github.com/python/cpython/commit/71f2e02a52d47417a6fd69f456346cd8aa7aca98https://github.com/python/cpython/commit/aaf850fd333cd89e9aada03d92aaa788a6cb1bb8https://github.com/python/cpython/commit/db4a157c790479710a1a840d7937c5c815a6f8b6