This is a legal XML character stream and the parser does not throw an error, but the data inside the XML column is now corrupted.

If a BLOB containing the lone code point 0xdb is sent in to be parsed as XML, this results in an error since this is not a legal UTF-8 code point.

Secondly, on the occasion of major error, this article discusses eight situations of not allowing exercising the right of withdrawing the legal act.