--- title: "CVE-2009-3695\n | Ubuntu" description: Ubuntu is an open source software operating system that runs from the desktop, to the cloud, to all your internet connected things. url: https://ubuntu.com/security/CVE-2009-3695?format=md keywords: index, follow --- # CVE-2009-3695 Publication date 13 October 2009 Last updated 24 July 2024 --- Ubuntu priority **Medium** [Why this priority?](https://ubuntu.com/security/cves/about#priority ) Toggle side navigation ## 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 Show unmaintained releases | Package | Ubuntu Release | Status | | --- | --- | --- | | python-django | 11.10 oneiric | Not affected | | 11.04 natty | Not affected | | 10.10 maverick | Not affected | | 10.04 LTS lucid | Not affected | | 9.10 karmic | Not affected | | 9.04 jaunty | Fixed 1.0.2-1ubuntu0.2 | | 8.10 intrepid | Ignored end of life, was needed | | 8.04 LTS hardy | Ignored end of life | | 6.06 LTS dapper | Not in release | --- * [How can I get the fixes?](https://ubuntu.com/security/cves/about#security) * [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses) ## References * [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-3695) * [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-3695) * [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-3695) * [Debian](https://security-tracker.debian.org/tracker/CVE-2009-3695) ### Other references *