CVE-2009-3695

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Summary

CVECVE-2009-3695
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2009-10-13 10:30:00 UTC
Updated2026-04-23 00:35:47 UTC
DescriptionAlgorithmic 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

AV:N/AC:L/Au:N/C:N/I:N/A:P

Problem Types: NVD-CWE-Other | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Djangoproject Django 1.0 All All All
Application Djangoproject Django 1.1 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Google Groups af854a3a-2127-422b-91ae-364da2661108 groups.google.com
#550457 - Remote denial of service via pathological performance of regular expressions - Debian Bug report logs af854a3a-2127-422b-91ae-364da2661108 bugs.debian.org
Django 'EmailField' and 'URLField' Remote Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Patch
Debian update for python-django - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Django forms Library Regular Expressions Denial of Service Vulnerability - Secunia Advisories - Vulnerability Information - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
oss-security - Re: Duplicate CVE assignment notification [was: CVE id request: django] af854a3a-2127-422b-91ae-364da2661108 www.openwall.com
Django | Weblog | Security updates released af854a3a-2127-422b-91ae-364da2661108 www.djangoproject.com Patch, Vendor Advisory
Webmail : Solution de messagerie professionnelle - OVHcloud- OVH af854a3a-2127-422b-91ae-364da2661108 www.vupen.com Patch, Vendor Advisory
Debian -- Security Information -- DSA-1905-1 python-django af854a3a-2127-422b-91ae-364da2661108 www.debian.org
IBM X-Force Exchange af854a3a-2127-422b-91ae-364da2661108 exchange.xforce.ibmcloud.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 997213 Python (Pip) Security Update for Django (GHSA-p6m5-h7pp-v2x5)

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