{"id":"CVE-2012-3443","aliases":["GHSA-59w8-4wm2-4xw8","PYSEC-2012-3"],"url":"https://o3.security/vulnerability/CVE-2012-3443","summary":"Django Image Field Vulnerable to Image Decompression Bombs","details":"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.","published":"2012-07-31T17:55:04Z","modified":"2026-04-10T03:42:23.267659Z","cvss":{"score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},"epss":{"score":0.02663,"percentile":0.84561,"asOf":"2026-08-22"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"PyPI","name":"django","fixedVersion":"1.3.2"},{"ecosystem":"PyPI","name":"django","fixedVersion":"1.4.1"}],"fix":{"url":"https://github.com/django/django/commit/9ca0ff6268eeff92d0d0ac2c315d4b6a8e229155","label":"django/django@9ca0ff6"},"references":[{"type":"ADVISORY","url":"http://www.debian.org/security/2012/dsa-2529"},{"type":"ADVISORY","url":"http://www.mandriva.com/security/advisories?name=MDVSA-2012:143"},{"type":"ADVISORY","url":"http://www.ubuntu.com/usn/USN-1560-1"},{"type":"ADVISORY","url":"https://www.djangoproject.com/weblog/2012/jul/30/security-releases-issued/"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2012/07/31/1"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2012/07/31/2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3443"},{"type":"WEB","url":"https://github.com/django/django/commit/9ca0ff6268eeff92d0d0ac2c315d4b6a8e229155"},{"type":"WEB","url":"https://github.com/django/django/commit/da33d67181b53fe6cc737ac1220153814a1509f6"},{"type":"PACKAGE","url":"https://github.com/django/django"},{"type":"WEB","url":"https://github.com/pypa/advisory-database/tree/main/vulns/django/PYSEC-2012-3.yaml"},{"type":"WEB","url":"https://www.debian.org/security/2012/dsa-2529"},{"type":"WEB","url":"https://www.djangoproject.com/weblog/2012/jul/30/security-releases-issued"},{"type":"WEB","url":"https://www.mandriva.com/security/advisories?name=MDVSA-2012:143"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2012/07/31/1"},{"type":"WEB","url":"https://www.openwall.com/lists/oss-security/2012/07/31/2"},{"type":"WEB","url":"https://www.ubuntu.com/usn/USN-1560-1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-04-10T03:42:23.267659Z"}}