ALPINE-CVE-2018-7536 — Vulnetix

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ALPINE-CVE-2018-7536 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. 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.

Risk Scores

CVSS v3.0

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	1.8.10-r0, 1.11.10-r0, 1.11.5-r0
Alpine:v3.7	py-django	1.4.1-r0, 1.8.7-r0, 1.8.3-r0
Alpine:v3.5	py-django	1.8.10-r0, 0, 1.2.5-r0
Alpine:v3.10	py-django	1.8.4-r0, 1.5.7-r0, 1.5.6-r0
Alpine:v3.4	py-django	1.8.6-r0, 0, 1.2.5-r0
Alpine:v3.11	py3-django	1.5.6-r0, 0, 1.8.8-r0
Alpine:v3.12	py3-django	1.5.1-r0, 1.5.6-r0, 1.5.8-r0
Alpine:v3.6	py-django	1.8.3-r0, 1.8.7-r0, 1.8.6-r0
Alpine:v3.9	py-django	1.8.8-r0, 1.8.7-r0, 1.8.6-r0

Timeline

Mar 9, 2018 CVE Published
Nov 19, 2025 CVE Updated
Apr 30, 2026 Distribution Patch

References

https://security.alpinelinux.org/vuln/CVE-2018-7536 advisory

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