CVE-2012-3443: The django.forms.ImageField class in the form system in Django before 1.3.2 and 1.4.x before 1.4.1 complete...

Security readout for executives and security teams

This flaw affects old Django versions that validate uploaded images with ImageField. A specially formed image upload can force full decompression during validation and consume excessive memory, potentially making the web service unavailable. It is a denial-of-service issue, not a data theft issue based on the provided sources. Exposure is most likely in legacy Django applications on versions before 1.3.2 or 1.4.1 with public or authenticated image upload forms using django.forms.ImageField. Modern Django versions are not indicated as affected in the provided sources. Prioritize remediation for internet-facing legacy Django applications that accept image uploads. The impact is availability loss through memory exhaustion, with no active exploitation confirmed in the provided evidence. Mitigation focus: Upgrade Django to 1.3.2, 1.4.1, or a later supported release.; Apply distribution security updates where Django is managed by the OS vendor.; Review vendor advisories before relying on compensating controls..

Prepared

Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.