GHSA-5V8H-3H3Q-446P Nokogiri: Possible Use-After-Free when `Nokogiri::XML::Document#encoding=` raises an exception

Summary Calling Documentencoding= with an invalid encoding e.g., a non-string, or a string containing a null byte raises an exception, but only after freeing the document's current encoding string without replacing it. The document is left referencing freed memory, so the next call to...