Ip4Address parser: reject 0-prefixed components (#9538)

Some parsers interpret these as octal, some don't, and the confusion can lead to vulnerabilities.

Return error.NonCanonical when parsing IPv4 addresses with 0 prefixes.
2ccd023c6aFrank Denis committed on 8/9/2021, 8:44:23 PM· committed by GitHubparent799fedf
2 files changedLine totals unavailable