CVE-2019-14232
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Django
PublishedAug 2, 2019
First seenAug 2, 2019
Weakness typeCWE-400Uncontrolled resource consumption
How to fix
Update
- djangoproject django1.11.23, 2.1.11, 2.2.4 or later
- django1.11.23, 2.1.11, 2.2.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| djangoproject django | 1.11 ≤ v < 1.11.23, 2.1 ≤ v < 2.1.11, 2.2 ≤ v < 2.2.4 | 1.11.23, 2.1.11, 2.2.4 |
| opensuse leap | 15.1 | — |
| djangoPyPI | 1.11a1 ≤ v < 1.11.23, 2.1a1 ≤ v < 2.1.11, 2.2a1 ≤ v < 2.2.4, 1.11 ≤ v < 1.11.23, 2.1 ≤ v < 2.1.11, 2.2 ≤ v < 2.2.4 | 1.11.23, 2.1.11, 2.2.4 |
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