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CVE-2023-43665

Django Denial-of-service in django.utils.text.Truncator

Impact

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() methods are used to implement the truncatechars_html and truncatewords_html template filters, which are thus also vulnerable. NOTE: this issue exists because of an incomplete fix for CVE-2019-14232.

Affected packages

EcosystemPackageAffectedFixed in
pipDjango>= 3.2a1, < 3.2.223.2.22

Affected products

VendorProductAffected versions
DjangoprojectDjango
from 3.2 before 3.2.22
from 4.1 before 4.1.12
from 4.2 before 4.2.6
FedoraprojectFedora
Version 39

Weakness classification

CWE-1284CWE-400

References