PYSEC-2023-226

In Django 3.2 before 3.2.22, 4.1 before 4.1.12, and 4.2 before 4.2.6, the django.utils.text.Truncator chars and words methods when used with html=True are subject to a potential DoS denial of service attack via certain inputs with very long, potentially malformed HTML text. The chars and words...

Django: backtracking in a regular expression in django.utils.text.Truncator leads to DoS

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. If django.utils.text.Truncator's chars and words methods were passed the html=True argument, they were extremely slow to evaluate certain inputs due to a catastrophic backtracking vulnerability i...