RUSTSEC-2023-0024: `openssl` `X509Extension::new` and `X509Extension::new_nid` null pointer dereference

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Details
Package	openssl
Version	0.10.44
URL	rust-openssl/rust-openssl#1854
Patched Versions	>=0.10.48
Aliases	GHSA-6hcf-g6gr-hhcr

These functions would crash when the context argument was None with certain extension types.

Thanks to David Benjamin (Google) for reporting this issue.