The django.forms.ImageField class in the form system in Django before 1.3.2 and 1.4.x before 1.4.1 c...
Summary
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 completely decompresses image data during image validation, which allows remote attackers to cause a denial of service (m... Affects django across 2 version ranges.
< 1.3.2
>= 1.4, < 1.4.1
Fixed in 1.3.2 or 1.4.1, depending on the release line you run. How to fix ↓
Also tracked for
- python-django · Debian:11
The same CVE-2012-3443 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.
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The django.forms.ImageField class in the form system in Django before 1.3.2 and 1.4.x before 1.4.1 completely decompresses image data during image validation, which allows remote attackers to cause a denial of service (memory consumption) by uploading an image file.
How To Fix
Latest published version: 6.1.2 as of 22 Oct 2026
pip install --upgrade "django==6.1.2"Upgrading to it may include breaking changes; the versions below are the minimum fixed release for this vulnerability.
If you can't move to the latest
The minimum fixed version depends on the release line you run.
-
< 1.3.21.3.2pip install --upgrade "django==1.3.2" -
>= 1.4, < 1.4.11.4.1pip install --upgrade "django==1.4.1"
Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →
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