Vulnerability in Djangoproject Django
CVE-2023-36053
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.
Vulnerability class: ReDoS (Regular Expression Denial of Service)
EPSS: 0.030 (85.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Djangoproject Django
- Debian Debian_linux — versions 10.0, 11.0, 12.0
- Fedoraproject Fedora — versions 37, 38
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Permissions Required)
- cve@mitre.org (Release Notes)
- cve@mitre.org (Patch, Vendor Advisory)
- cve@mitre.org (mailing-list, Mailing List)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory, Mailing List, Third Party Advisory)
- cve@mitre.org (vendor-advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2023-36053?
- CVE-2023-36053 is a high-severity vulnerability in Djangoproject Django, classified under Inefficient Regular Expression Complexity. CVSS score: 7.5/10. Published 2023-07-03.
- How severe is CVE-2023-36053?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2023-36053 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.