CVE-2023-46695
Django potential denial of service vulnerability in UsernameField on Windows
7.5
HIGH
CVSS 3.1
EPSS 3.6%
Description
An issue was discovered in Django 3.2 before 3.2.23, 4.1 before 4.1.13, and 4.2 before 4.2.7. The NFKC normalization is slow on Windows. As a consequence, django.contrib.auth.forms.UsernameField is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.
How to fix CVE-2023-46695
To remediate CVE-2023-46695, upgrade the affected package to a fixed version below.
- —upgrade to 3.2.23 or later
- —upgrade to 3.2.23 or later
- —upgrade to 3.2.23 or later
Is CVE-2023-46695 being exploited?
Low — EPSS is 3.6%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- >= 3.2.0, < 3.2.23, >= 4.1.0, < 4.1.13, >= 4.2.0, < 4.2.7
- >= 3.2a1, < 3.2.23
- >= 3.2, < 3.2.23, >= 4.1, < 4.1.13, >= 4.2, < 4.2.7
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N |
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |