CVE-2023-41164

Aliases:GHSA-7h4p-27mh-hmrwBIT-django-2023-41164PYSEC-2023-225
Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 03 Nov 2023, 00:00
Last modified:04 Nov 2025, 17:12

Vulnerability Summary

Overall Risk (default)
medium
30/100
CVSS Score
7.5 HIGH
v3.1 (nvd)
EPSS Score
0.41% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

03 Nov 2023, 00:00
Published
Vulnerability first disclosed
04 Nov 2025, 17:12
Last Modified
Vulnerability information updated

Description

In Django 3.2 before 3.2.21, 4.1 before 4.1.11, and 4.2 before 4.2.5, django.utils.encoding.uri_to_iri() is subject to a potential DoS (denial of service) attack via certain inputs with a very large number of Unicode characters.

CVSS Metrics

  • v4.0MEDIUMScore: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
  • v3.1HIGHScore: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • v3.1MEDIUMScore: 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS Trends

Current EPSS score: 0.41% Percentile: 61%

Techniques & Countermeasures

  • CWE-1284Improper Validation of Specified Quantity in Input

    The product receives input that is expected to specify a quantity (such as size or length), but it does not validate or incorrectly validates that the quantity has the required properties.

Affected Systems

  • djangoprojectdjango

    ≥ 3.2, < 3.2.21 | ≥ 4.1, < 4.1.11 | ≥ 4.2, < 4.2.5

  • fedoraprojectfedora

    39

  • PyPIdjango

    ≥ 3.2, < 3.2.21 | ≥ 4.1, < 4.1.11 | ≥ 4.2, < 4.2.5

References (21)