Slow Evaluation of Certain Inputs in Django's HTMLParser

CVE-2019-14233 · MEDIUM Severity

AV:N/AC:L/AU:N/C:N/I:N/A:P

An issue was discovered in Django 1.11.x before 1.11.23, 2.1.x before 2.1.11, and 2.2.x before 2.2.4. Due to the behaviour of the underlying HTMLParser, django.utils.html.strip_tags would be extremely slow to evaluate certain inputs containing large sequences of nested incomplete HTML entities.

Learn more about our Web Application Penetration Testing UK.