RUSTSEC-2023-0023 `openssl` `SubjectAlternativeName` and `ExtendedKeyUsage::other` allow arbitrary file read

SubjectAlternativeName and ExtendedKeyUsage arguments were parsed using the OpenSSL function X509V3EXTnconf. This function parses all input using an OpenSSL mini-language which can perform arbitrary file reads. Thanks to David Benjamin Google for reporting this issue...