CVE-2022-41323

Aliases:GHSA-qrw5-5h28-6cmgBIT-django-2022-41323PYSEC-2022-304
Advisory lineage Upstream: 0 Downstream: 14
Modified
Published: 16 Oct 2022, 00:00
Last modified:14 May 2025, 14:39

Vulnerability Summary

Overall Risk (default)
medium
33/100
CVSS Score
7.5 HIGH
v3.1 (cve.org)
EPSS Score
16.32% MEDIUM
16% probability +9.96%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

16 Oct 2022, 00:00
Published
Vulnerability first disclosed
14 May 2025, 14:39
Last Modified
Vulnerability information updated

Description

In Django 3.2 before 3.2.16, 4.0 before 4.0.8, and 4.1 before 4.1.2, internationalized URLs were subject to a potential denial of service attack via the locale parameter, which is treated as a regular expression.

CVSS Metrics

  • v4.0•HIGH•Score: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
  • v3.1•HIGH•Score: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 16.32%• Percentile: 95%

Techniques & Countermeasures

  • CWE-1333•Inefficient Regular Expression Complexity

    The product uses a regular expression with a worst-case computational complexity that is inefficient and possibly exponential.

Affected Systems

  • djangoproject•django

    ≥ 3.2, < 3.2.16 | ≥ 4.0, < 4.0.8 | ≥ 4.1, < 4.1.2

  • PyPI•django

    ≥ 3.2, < 3.2.16 | ≥ 4.0, < 4.0.8 | < 5b6b257fa7ec37ff27965358800c67e2dd11c924 | ≥ 4.1, < 4.1.2

References (24)