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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| Django(PyPI) | 1.11a1 | 1.11.23 | N/A |
| Django(PyPI) | 2.1a1 | 2.1.11 | N/A |
| Django(PyPI) | 2.2a1 | 2.2.4 | N/A |
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