CVEs / CVE-2023-46695
CVE-2023-46695: n/a n/a vulnerability
- high 7.5 CVSS 3.1 (NVD)
- EPSS 53.4% chance of exploitation in the next 30 days, higher than 98% of CVEs (2 Nov 2026)
- Last changed at its sources
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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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a n/a | n/a | — |
| Product | Affected | Fixed in |
|---|---|---|
| django (PyPI) | from 3.2a1, before 3.2.23 | 3.2.23 |
| django (PyPI) | from 4.1a1, before 4.1.13 | 4.1.13 |
| django (PyPI) | from 4.2a1, before 4.2.7 | 4.2.7 |
Package versions from GHSA-qmf9-6jqf-j8fq.
Exploitation
Not in the CISA Known Exploited Vulnerabilities catalog as of 30 Oct 2026.
Severity
| CVSS 3.1 | 7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HScored by NVD |
|---|---|
| Weakness | CWE-770 |
References
- CVE-2023-46695 on NVD
- CVE-2023-46695 on OSV
- https://docs.djangoproject.com/en/4.2/releases/security/ Patch
- https://groups.google.com/forum/#%21forum/django-announce Permissions Required
- https://security.netapp.com/advisory/ntap-20231214-0001/
- https://www.djangoproject.com/weblog/2023/nov/01/security-releases/ Patch, Vendor Advisory
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.