SB2025040315 - Denial of service in Django on Windows
Published: April 3, 2025
Breakdown by Severity
- 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.