CVE-2009-3695

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.

Score

CVSS 2.0 5.0 Medium

Status

Modified - cve@mitre.org

Published

2009-10-13

Last modified

2024-08-07

Affected products

• Django (Djangoproject)

References

• http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550457
• http://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51/
• http://secunia.com/advisories/36948
• http://secunia.com/advisories/36968
• http://www.debian.org/security/2009/dsa-1905
• http://www.djangoproject.com/weblog/2009/oct/09/security/
• http://www.openwall.com/lists/oss-security/2009/10/13/6
• http://www.securityfocus.com/bid/36655
• http://www.vupen.com/english/advisories/2009/2871
• https://exchange.xforce.ibmcloud.com/vulnerabilities/53727