BIT-DJANGO-2026-25673 Potential denial-of-service vulnerability in URLField via Unicode normalization on Windows

An issue was discovered in 6.0 before 6.0.3, 5.2 before 5.2.12, and 4.2 before 4.2.29. URLField.topython in Django calls urllib.parse.urlsplit, which performs NFKC normalization on Windows that is disproportionately slow for certain Unicode characters, allowing a remote attacker to cause denial o...

Allocation of Resources Without Limits or Throttling

Overview Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling in the URLField.topython function when processing URLs containing certain...

SUSE CVE-2011-4138

The verifyexists functionality in the URLField implementation in Django before 1.2.7 and 1.3.x before 1.3.1 originally tests a URL's validity through a HEAD request, but then uses a GET request for the new target URL in the case of a redirect, which might allow remote attackers to trigger arbitra...

CVE-2011-4138

The verifyexists functionality in the URLField implementation in Django before 1.2.7 and 1.3.x before 1.3.1 originally tests a URL's validity through a HEAD request, but then uses a GET request for the new target URL in the case of a redirect, which might allow remote attackers to trigger arbitra...

PYSEC-2011-3

The verifyexists functionality in the URLField implementation in Django before 1.2.7 and 1.3.x before 1.3.1 originally tests a URL's validity through a HEAD request, but then uses a GET request for the new target URL in the case of a redirect, which might allow remote attackers to trigger arbitra...