CVE-2023-46695
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0 |
| sid | Fixed | 0 |
| forky | Fixed | 0 |
| bullseye | Fixed | 0 |
| bookworm | Fixed | 0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-46695
- https://github.com/django/django/commit/048a9ebb6ea468426cb4e57c71572cbbd975517f
- https://github.com/django/django/commit/4965bfdde2e5a5c883685019e57d123a3368a75e
- https://github.com/django/django/commit/f9a7fb8466a7ba4857eaf930099b5258f3eafb2b
- https://docs.djangoproject.com/en/4.2/releases/security
- https://github.com/django/django
- https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2023-222.yaml
- https://groups.google.com/forum/#!forum/django-announce
- https://groups.google.com/forum/#%21forum/django-announce
- https://security.netapp.com/advisory/ntap-20231214-0001
- https://www.djangoproject.com/weblog/2023/nov/01/security-releases
- https://docs.djangoproject.com/en/4.2/releases/security/
- https://www.djangoproject.com/weblog/2023/nov/01/security-releases/
- https://www.suse.com/security/cve/CVE-2023-46695.html
- https://security-tracker.debian.org/tracker/CVE-2023-46695
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.