CVE-2023-36053
HIGH severity · CVSS 7.5 · CWE-1333
7.5CVSS HIGH
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)10%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://www.djangoproject.com/weblog/2023/jul/03/security-releases/ ↗
Additional information
- NVD record
- https://www.djangoproject.com/weblog/2023/jul/03/security-releases/Patch
- https://docs.djangoproject.com/en/4.2/releases/security/
- https://groups.google.com/forum/#%21forum/django-announce
- https://lists.debian.org/debian-lts-announce/2023/07/msg00022.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NRDGTUN4LTI6HG4TWR3JYLSFVXPZT42A/Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XG5DYKPNDCEHJQ3TKPJQO7QGSR4FAYMS/Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZQJOMNRMVPCN5WMIZ7YSX5LQ7IR2NY4D/
- https://www.debian.org/security/2023/dsa-5465Advisory