What’s Vulnerable › Vulnerabilities

CVE-2012-3443

• Severity: medium (CVSS 5.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-07-31 · updated 2026-06-16
• Weakness: CWE-20

Description

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.

Affected products

• Django: through 1.3; 0.95, 0.96, 1.0, 1.0-alpha1, 1.0-alpha2, 1.0-beta (+22)

References

• http://www.debian.org/security/2012/dsa-2529
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:143
• http://www.openwall.com/lists/oss-security/2012/07/31/1
• http://www.openwall.com/lists/oss-security/2012/07/31/2
• http://www.ubuntu.com/usn/USN-1560-1
• https://www.djangoproject.com/weblog/2012/jul/30/security-releases-issued/
• http://www.debian.org/security/2012/dsa-2529
• http://www.mandriva.com/security/advisories?name=MDVSA-2012:143
• http://www.openwall.com/lists/oss-security/2012/07/31/1
• http://www.openwall.com/lists/oss-security/2012/07/31/2
• http://www.ubuntu.com/usn/USN-1560-1
• https://www.djangoproject.com/weblog/2012/jul/30/security-releases-issued/

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