CVE-2023-36053
python-django: Potential regular expression denial of service vulnerability in EmailValidator/URLValidator
Severity Score
7.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
Attend
*SSVC
Descriptions
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.
A regular expression denial of service vulnerability has been found in Django. Email and URL validators are vulnerable to this flaw when processing a very large number of domain name labels of emails and URLs.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:Attend
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-06-20 CVE Reserved
- 2023-07-03 CVE Published
- 2024-08-02 CVE Updated
- 2024-10-07 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-1333: Inefficient Regular Expression Complexity
CAPEC
References (9)
| URL | Tag | Source |
|---|---|---|
| https://docs.djangoproject.com/en/4.2/releases/security | Release Notes | |
| https://lists.debian.org/debian-lts-announce/2023/07/msg00022.html | Mailing List |
|
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://www.djangoproject.com/weblog/2023/jul/03/security-releases | 2024-07-03 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Djangoproject Search vendor "Djangoproject" | Django Search vendor "Djangoproject" for product "Django" | >= 3.2 < 3.2.20 Search vendor "Djangoproject" for product "Django" and version " >= 3.2 < 3.2.20" | - |
Affected
| ||||||
| Djangoproject Search vendor "Djangoproject" | Django Search vendor "Djangoproject" for product "Django" | >= 4.0 < 4.1.10 Search vendor "Djangoproject" for product "Django" and version " >= 4.0 < 4.1.10" | - |
Affected
| ||||||
| Djangoproject Search vendor "Djangoproject" | Django Search vendor "Djangoproject" for product "Django" | >= 4.2 < 4.2.3 Search vendor "Djangoproject" for product "Django" and version " >= 4.2 < 4.2.3" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 11.0 Search vendor "Debian" for product "Debian Linux" and version "11.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 12.0 Search vendor "Debian" for product "Debian Linux" and version "12.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 37 Search vendor "Fedoraproject" for product "Fedora" and version "37" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 38 Search vendor "Fedoraproject" for product "Fedora" and version "38" | - |
Affected
| ||||||