VDB
ALPINE-CVE-2018-7537
ALPINE-CVE-2018-7537
PUBLISHED
CVSS 5.300000190734863 MEDIUM
An issue was discovered in Django 2.0 before 2.0.3, 1.11 before 1.11.11, and 1.8 before 1.8.19. 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.
Risk Scores
CVSS 3.0
5.300000190734863
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Alpine:v3.8 | py-django | 1.8.8-r0, 0, 1.10.5-r0 |
| Alpine:v3.4 | py-django | 1.8.8-r0, 0, 1.2.5-r0 |
| Alpine:v3.9 | py-django | 1.8.8-r0, 0, 1.10.5-r0 |
| Alpine:v3.5 | py-django | 1.5.1-r0, 0, 1.2.5-r0 |
| Alpine:v3.6 | py-django | 1.8.3-r0, 0, 1.10.5-r0 |
| Alpine:v3.7 | py-django | 1.7-r0, 0, 1.10.5-r0 |
| Alpine:v3.12 | py3-django | 0, 1.8.8-r0, 1.8.7-r0 |
| Alpine:v3.10 | py-django | 1.4.1-r0, 1.8.8-r0, 1.8.7-r0 |
| Alpine:v3.11 | py3-django | 1.10.5-r0, 0, 1.8.8-r0 |
Timeline
- Mar 9, 2018 CVE Published
- Nov 19, 2025 CVE Updated
- Apr 30, 2026 Distribution Patch