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.
{
"nvd_published_at": "2019-08-02T15:15:00Z",
"severity": "HIGH",
"github_reviewed_at": "2019-08-06T01:36:05Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-400"
]
}