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CVE-2009-3695 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550457	CVE
http://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51/	CVE
http://secunia.com/advisories/36948	CVE	Vendor Advisory
http://secunia.com/advisories/36968	CVE	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/53727	CVE
http://www.debian.org/security/2009/dsa-1905	CVE
http://www.djangoproject.com/weblog/2009/oct/09/security/	CVE	PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2009/10/13/6	CVE
http://www.securityfocus.com/bid/36655	CVE	Patch
http://www.vupen.com/english/advisories/2009/2871	CVE	PatchVendor Advisory
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=550457	[email protected]
http://groups.google.com/group/django-users/browse_thread/thread/15df9e45118dfc51/	[email protected]
http://secunia.com/advisories/36948	[email protected]	Vendor Advisory
http://secunia.com/advisories/36968	[email protected]	Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/53727	[email protected]
http://www.debian.org/security/2009/dsa-1905	[email protected]
http://www.djangoproject.com/weblog/2009/oct/09/security/	[email protected]	PatchVendor Advisory
http://www.openwall.com/lists/oss-security/2009/10/13/6	[email protected]
http://www.securityfocus.com/bid/36655	[email protected]	Patch
http://www.vupen.com/english/advisories/2009/2871	[email protected]	PatchVendor Advisory

see all 20 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-Other	Weakness Not in a Standard CWE Category	[email protected]

Affected Products

Product	Versions
djangoproject django	1.0 1.1
CPE cpe:2.3:a:djangoproject:django:1.0:::::::* cpe:2.3:a:djangoproject:django:1.1:::::::* Remediation No remediation found in references.

Change History

6 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 23, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Aug 17, 2017	CVE Modified	[email protected]
Oct 13, 2009	Initial Analysis	[email protected]