CVE-2024-41990: Django Django Vulnerable To A Denial-of-service Vulnerability

MODERATE
Advisory Identifier: GHSA-795c-9xpc-xw6g
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CVSS 5.3
CWE-130
Published
Advisory Summary

CVE-2024-41990 is a MODERATE (CVSS 5.3) django vulnerable to a denial-of-service vulnerability (CWE-130: Improper Handling of Length Parameter Inconsistency) affecting Django libraries in the PyPI ecosystem. The issue involves django vulnerable to a denial-of-service attack. Remediation is available by upgrading affected packages to version 5.0.8, 4.2.15.

CVE-2024-41990 at a Glance

CVE Identifier CVE-2024-41990
GHSA Identifier GHSA-795c-9xpc-xw6g
Severity MODERATE
CVSS v3.1 Base Score 5.3
CWE Classification CWE-130: Improper Handling of Length Parameter Inconsistency
Affected Product Django
Package Ecosystem PyPI
Published Date
Last Updated

Security Impact

CVSS: 5.3

The security impact metrics below are parsed directly from the CVSS v3.1 vector string (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L).

Attack Vector Network (AV:N)
Attack Complexity Low (AC:L)
Privileges Required None (PR:N)
User Interaction None (UI:N)
Scope Unchanged (S:U)
Confidentiality None (C:N)
Integrity None (I:N)
Availability Low (A:L)

How to Fix CVE-2024-41990

To remediate this vulnerability, upgrade all affected Django dependencies to a patched release. Both direct and transitive dependencies should be checked, as frameworks or security libraries may pull in vulnerable versions transitively.

Django fixed: 5.0.8 
pip install Django>=5.0.8
Django fixed: 4.2.15 
pip install Django>=4.2.15
Verify Direct and Transitive Dependencies

Run the following command in your project directory to verify that all resolved dependencies use the patched release: 

pip show Django

How to Check if You Are Affected

To determine whether your Python environment is affected by CVE-2024-41990, inspect your installed packages using pip:

pip show Django

Analyze the terminal output to locate any version of Django in your dependency tree. If any resolved version matches the vulnerable ranges listed in the table below (for example, versions earlier than 5.0.8), your application is affected.

Note: The pip show Django command checks currently installed packages in your active Python environment.

Technical Details

Vulnerability Mechanism & Technical Analysis

This vulnerability is classified under CWE-130: Improper Handling of Length Parameter Inconsistency, where the product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data. In Django, software state validation or input boundaries are circumvented during processing. Review the official source advisory statement below for specific affected components, classes, and reproduction details.

Source Advisory Statement

An issue was discovered in Django 5.0 before 5.0.8 and 4.2 before 4.2.15. The urlize() and urlizetrunc() template filters are subject to a potential denial-of-service attack via very large inputs with a specific sequence of characters.

CVE-2024-41990 Affected Django Versions

2 component(s)
Fixed Versions:
5.0.84.2.15
Product / Package Ecosystem Affected Versions Fixed Version
Django
pypi/Django
PyPI
≥ 5.0
< 5.0.8
5.0.8
Django
pypi/Django
PyPI
≥ 4.2
< 4.2.15
4.2.15

References

NVD — CVE-2024-41990 NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-41990
Security Fix Commit FIX COMMIT
https://github.com/django/django/commit/7b7b909579c8311c140c89b8a9431bf537febf93
Security Fix Commit FIX COMMIT
https://github.com/django/django/commit/d0a82e26a74940bf0c78204933c3bdd6a283eb88
Django Release RELEASE
https://docs.djangoproject.com/en/dev/releases/security
Django Source Repository REPOSITORY
https://github.com/django/django
Django Source Repository REPOSITORY
https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2024-68.yaml
groups.google.com/forum/ WEB
https://groups.google.com/forum/#%21forum/django-announce
Django Security Information SECURITY
https://security.netapp.com/advisory/ntap-20240905-0007
Django Release RELEASE
https://www.djangoproject.com/weblog/2024/aug/06/security-releases

Frequently Asked Questions

What is CVE-2024-41990?
CVE-2024-41990 is a security vulnerability in Django involving Django vulnerable to a denial-of-service attack under CWE-130: Improper Handling of Length Parameter Inconsistency.
Which Django versions are affected?
Affected versions include releases prior to 5.0.8, 4.2.15 across affected packages: Django.
What version fixes CVE-2024-41990?
Upgrading to 5.0.8, 4.2.15 (or the latest patched release for your respective branch) resolves the vulnerability.
Is Django affected?
Yes, Django is affected in releases prior to 5.0.8, 4.2.15. Upgrade your dependency to 5.0.8, 4.2.15 or later.
What is the CVSS score of CVE-2024-41990?
CVE-2024-41990 has a CVSS v3.1 base score of 5.3 (MODERATE) with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
What CWE is associated with CVE-2024-41990?
CVE-2024-41990 is classified under CWE-130: Improper Handling of Length Parameter Inconsistency (The product parses a formatted message or structure, but it does not handle or incorrectly handles a length field that is inconsistent with the actual length of the associated data.).
How can I check PyPI dependencies for CVE-2024-41990?
Run the dependency tree command: 'pip show Django'. This command lists direct and transitive dependencies in your build configuration so you can verify if a vulnerable version is resolved.
Machine-readable OSV JSON OSV v1.5 Schema
Normalized schema output
View Raw JSON 
{
  "schema_version" : "1.4.0",
  "id" : "GHSA-795c-9xpc-xw6g",
  "modified" : "2025-11-04T19:50:38Z",
  "published" : "2024-08-07T15:30:42Z",
  "aliases" : [ "CVE-2024-41990" ],
  "summary" : "Django vulnerable to a denial-of-service attack",
  "details" : "An issue was discovered in Django 5.0 before 5.0.8 and 4.2 before 4.2.15. The urlize() and urlizetrunc() template filters are subject to a potential denial-of-service attack via very large inputs with a specific sequence of characters.",
  "severity" : [ {
    "type" : "CVSS_V3",
    "score" : "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"
  }, {
    "type" : "CVSS_V4",
    "score" : "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N"
  } ],
  "affected" : [ {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "Django"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "5.0"
      }, {
        "fixed" : "5.0.8"
      } ]
    } ]
  }, {
    "package" : {
      "ecosystem" : "PyPI",
      "name" : "Django"
    },
    "ranges" : [ {
      "type" : "ECOSYSTEM",
      "events" : [ {
        "introduced" : "4.2"
      }, {
        "fixed" : "4.2.15"
      } ]
    } ]
  } ],
  "references" : [ {
    "type" : "ADVISORY",
    "url" : "https://nvd.nist.gov/vuln/detail/CVE-2024-41990"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/django/django/commit/7b7b909579c8311c140c89b8a9431bf537febf93"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/django/django/commit/d0a82e26a74940bf0c78204933c3bdd6a283eb88"
  }, {
    "type" : "WEB",
    "url" : "https://docs.djangoproject.com/en/dev/releases/security"
  }, {
    "type" : "PACKAGE",
    "url" : "https://github.com/django/django"
  }, {
    "type" : "WEB",
    "url" : "https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2024-68.yaml"
  }, {
    "type" : "WEB",
    "url" : "https://groups.google.com/forum/#%21forum/django-announce"
  }, {
    "type" : "WEB",
    "url" : "https://security.netapp.com/advisory/ntap-20240905-0007"
  }, {
    "type" : "WEB",
    "url" : "https://www.djangoproject.com/weblog/2024/aug/06/security-releases"
  } ],
  "database_specific" : {
    "cwe_ids" : [ "CWE-130" ],
    "severity" : "MODERATE",
    "github_reviewed" : true,
    "github_reviewed_at" : "2024-08-07T19:02:12Z",
    "nvd_published_at" : "2024-08-07T15:15:56Z"
  }
}