SB2025040315 - Denial of service in Django on Windows



SB2025040315 - Denial of service in Django on Windows

Published: April 3, 2025

Security Bulletin ID SB2025040315
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource management error (CVE-ID: CVE-2025-27556)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources during NFKC normalization on Windows. A remote attacker can pass a very large number of Unicode characters to django.contrib.auth.views.LoginView(), django.contrib.auth.views.LogoutView(), or django.views.i18n.set_language() methods and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.