CVE-2023-36053Regex Denial of Service in Django

Severity
7.5HIGHNVD
EPSS
9.6%
top 7.12%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 3
Latest updateJul 25

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

NVDdjangoproject/django3.23.2.20+2
PyPIdjangoproject/django3.2a13.2.20+2

Also affects: Debian Linux 10.0, 11.0, 12.0, Fedora 37, 38

Patches

🔴Vulnerability Details

4
GHSA
Django has regular expression denial of service vulnerability in EmailValidator/URLValidator2023-07-03
OSV
CVE-2023-36053: In Django 32023-07-03
OSV
Django has regular expression denial of service vulnerability in EmailValidator/URLValidator2023-07-03
CVEList
CVE-2023-36053: In Django 32023-07-03

📋Vendor Advisories

4
Ubuntu
Django vulnerability2023-07-25
Ubuntu
Django vulnerability2023-07-05
Red Hat
python-django: Potential regular expression denial of service vulnerability in EmailValidator/URLValidator2023-07-03
Debian
CVE-2023-36053: python-django - In Django 3.2 before 3.2.20, 4 before 4.1.10, and 4.2 before 4.2.3, EmailValidat...2023
CVE-2023-36053 — Regex Denial of Service in Django | cvebase