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 in a regular expression. The chars() and words() methods are used to implement the truncatechars_html and truncatewords_html template filters, which were thus vulnerable.
History

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2019-08-02T00:00:00

Updated: 2024-08-05T00:12:42.892Z

Reserved: 2019-07-22T00:00:00

Link: CVE-2019-14232

cve-icon Vulnrichment

Updated: 2024-08-05T00:12:42.892Z

cve-icon NVD

Status : Modified

Published: 2019-08-02T15:15:11.880

Modified: 2024-11-21T04:26:15.113

Link: CVE-2019-14232

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-08-01T08:00:00Z

Links: CVE-2019-14232 - Bugzilla