Denial-of-Service Vulnerability in Django Web Framework
CVE-2023-23969

7.5HIGH

Key Information:

Vendor

Djangoproject

Status
Django
Vendor
CVE Published:
1 February 2023

What is CVE-2023-23969?

Certain versions of the Django web framework, specifically 3.2 before 3.2.17, 4.0 before 4.0.9, and 4.1 before 4.1.6, exhibit a vulnerability due to the caching of parsed Accept-Language headers. This caching mechanism is intended to enhance performance by avoiding repetitive parsing. However, when excessively large raw values are provided within the Accept-Language headers, it can lead to significant memory consumption. Such a scenario poses a risk of Denial-of-Service, as it might exhaust server resources, potentially impacting application availability.

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References

https://groups.google.com/forum/#%21forum/django-announce
https://docs.djangoproject.com/en/4.1/releases/security/
https://www.djangoproject.com/weblog/2023/feb/01/security...

EPSS Score

6% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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