Description
In Django 3.2 before 3.2.20, 4 before 4.1.10, and 4.2 before 4.2.3, EmailValidator and URLValidator are subject to a potential ReDoS (regular expression denial of service) attack via a very large number of domain name labels of emails and URLs.
Metrics
CVSS 3.1 7.5/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HWeakness enumeration
Affected software
| Vendor | Product | Versions |
|---|---|---|
| n/a | n/a | n/a |
| debian | debian_linux | 10.0 |
| fedoraproject | fedora | 37 |
| djangoproject | django | * |
References
- https://docs.djangoproject.com/en/4.2/releases/security/Release Notes
- https://groups.google.com/forum/#%21forum/django-announcePermissions Required
- https://lists.debian.org/debian-lts-announce/2023/07/msg00022.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
- https://www.debian.org/security/2023/dsa-5465Third Party Advisory
- https://www.djangoproject.com/weblog/2023/jul/03/security-releases/Patch, Vendor Advisory
- https://docs.djangoproject.com/en/4.2/releases/security/Release Notes
- https://groups.google.com/forum/#%21forum/django-announcePermissions Required
- https://lists.debian.org/debian-lts-announce/2023/07/msg00022.htmlMailing List
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
- https://www.debian.org/security/2023/dsa-5465Third Party Advisory
- https://www.djangoproject.com/weblog/2023/jul/03/security-releases/Patch, Vendor Advisory
Timeline
- Published
- Jul 3, 2023
- Last modified
- Jun 17, 2026
- NVD status
- Modified