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CVE-2018-7536

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.

Impact

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. The django.utils.html.urlize() function was extremely slow to evaluate certain inputs due to catastrophic backtracking vulnerabilities in two regular expressions (only one regular expression for Django 1.8.x). The urlize() function is used to implement the urlize and urlizetrunc template filters, which were thus vulnerable.

Affected products

VendorProductAffected versions
CanonicalUbuntu Linux
Versions 14.04, 16.04, 17.10
DjangoprojectDjango
from 1.8 before 1.8.19
from 1.11 before 1.11.11
from 2.0 before 2.0.3
DebianDebian Linux
Versions 7.0, 8.0, 9.0
RedhatOpenstack
Versions 10, 13

Weakness classification

CWE-185

References