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.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-3500-1 python-django security update
Debian DSA Debian DSA DSA-5465-1 python-django security update
Github GHSA Github GHSA GHSA-jh3w-4vvf-mjgr Django has regular expression denial of service vulnerability in EmailValidator/URLValidator
Ubuntu USN Ubuntu USN USN-6203-1 Django vulnerability
Ubuntu USN Ubuntu USN USN-6203-2 Django vulnerability
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Tue, 04 Nov 2025 18:30:00 +0000


Tue, 04 Nov 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 16 Jul 2025 13:45:00 +0000

Type Values Removed Values Added
Metrics epss

{'score': 0.01661}

epss

{'score': 0.01706}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T17:12:33.751Z

Reserved: 2023-06-20T00:00:00.000Z

Link: CVE-2023-36053

cve-icon Vulnrichment

Updated: 2025-11-04T17:12:33.751Z

cve-icon NVD

Status : Modified

Published: 2023-07-03T13:15:09.737

Modified: 2025-11-04T18:15:40.560

Link: CVE-2023-36053

cve-icon Redhat

Severity : Moderate

Publid Date: 2023-07-03T08:00:00Z

Links: CVE-2023-36053 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses