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Allocation of Resources Without Limits or Throttling

CVE-2025-27556

Medium
5.8/10

Summary

An issue was discovered in Django versions 5.0.x prior to 5.0.14, 5.1.x prior to 5.1.8, and 5.2.x prior to 5.2. The NFKC normalization is slow on Windows. As a consequence, `django.contrib.auth.views.LoginView`, `django.contrib.auth.views.LogoutView`, and `django.views.i18n.set_language` are subject to a potential Denial-of-Service (DoS) attack via certain inputs with a very large number of Unicode characters.

  • LOW
  • NETWORK
  • NONE
  • CHANGED
  • NONE
  • NONE
  • NONE
  • LOW

CWE-770 - Allocation of Resources Without Limits or Throttling

The software allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References

Advisory Timeline

  • Published