id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
28754	validate_ipv46_address validator allows IP addresses to begin with a first octet of zero	frankston		"The regular expression used by the [https://docs.djangoproject.com/en/1.11/_modules/django/core/validators/#validate_ipv46_address validate_ipv46_address] validator allows IP addresses to begin with a first octet of zero.

For example the following IPs are incorrectly identified as being valid:
0.1.2.3
0.90.11.2

As a side note the ping command (on Ubuntu at least) sees this as an invalid IP:
~$ ping 0.1.2.3
connect: Invalid argument
"	Bug	closed	Core (Other)	1.11	Normal	invalid	IP, regular expression		Someday/Maybe	0	0	0	0	0	0