{"id":"CVE-2009-3695","aliases":["DEBIAN-CVE-2009-3695","DSA-1905-1","EUVD-2009-0004","GHSA-p6m5-h7pp-v2x5","PYSEC-2009-4"],"status":"published","title":"Django Regex Algorithmic Complexity Causes Denial of Service","description":"Algorithmic complexity vulnerability in the forms library in Django 1.0 before 1.0.4 and 1.1 before 1.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a crafted (1) EmailField (email address) or (2) URLField (URL) that triggers a large amount of backtracking in a regular 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expression.","status":"published","published":"2022-05-02T03:47:43Z","modified":"2024-09-16T22:19:33.821208Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"},{"version":"4.0","score":8.7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","level":"high"}],"cwes":["CWE-1333","CWE-400"],"updated_at":"2026-11-02T15:46:52.891208Z"},{"id":"CVE-2009-3695","description":"Algorithmic complexity vulnerability in the forms library in Django 1.0 before 1.0.4 and 1.1 before 1.1.1 allows remote attackers to cause a denial of service (CPU consumption) via a crafted (1) EmailField (email address) or (2) URLField (URL) that triggers a large amount of backtracking in a regular expression.","status":"published","published":"2009-10-13T10:30:00Z","modified":"2026-04-10T03:40:57.502941Z","updated_at":"2026-11-02T15:43:57.714116Z"},{"id":"DEBIAN-CVE-2009-3695","description":"Algorithmic complexity vulnerability in the forms 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