validators.URLValidator
in Django 1.8.x before 1.8.3 allows remote attackers to cause a denial of service (CPU consumption) via unspecified vectors.
github.com/django/django
github.com/django/django/blob/4555a823fd57e261e1b19c778429473256c8ea08/docs/releases/1.8.3.txt#L63-L68
github.com/django/django/commit/8f9a4d3a2bc42f14bb437defd30c7315adbff22c
nvd.nist.gov/vuln/detail/CVE-2015-5145
security.gentoo.org/glsa/201510-06
web.archive.org/web/20150924150801/www.securitytracker.com/id/1032820
web.archive.org/web/20170526042302/www.securityfocus.com/bid/75691
www.djangoproject.com/weblog/2015/jul/08/security-releases