---
title: "CVE-2011-4139\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-2011-4139?format=md
keywords: index, follow
---

# CVE-2011-4139

Publication date 19 October 2011

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

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## Description

Django before 1.2.7 and 1.3.x before 1.3.1 uses a request's HTTP Host
header to construct a full URL in certain circumstances, which allows
remote attackers to conduct cache poisoning attacks via a crafted request.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| python-django | 11.10 oneiric | Fixed 1.3-2ubuntu1.1 |
| 11.04 natty | Fixed 1.2.5-1ubuntu1.1 |
| 10.10 maverick | Fixed 1.2.3-1ubuntu0.2.10.10.3 |
| 10.04 LTS lucid | Fixed 1.1.1-2ubuntu1.4 |
| 8.04 LTS hardy | Ignored end of life |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)
* [Patch details](https://ubuntu.com/security/CVE-2011-4139?format=md#patch-details)

### Patch details

For informational purposes only. We recommend not to cherry-pick updates. [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)

| Package | Patch details |
| --- | --- |
| python-django | * Upstream:   <https://code.djangoproject.com/changeset/16764> * Upstream:   <https://code.djangoproject.com/changeset/16761> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4139)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-4139)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-4139)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-4139)

### Related Ubuntu Security Notices (USN)

+ [USN-1297-1](https://usn.ubuntu.com/USN-1297-1)
+ Django vulnerabilities
+ 9 December 2011

### Other references

* <https://www.djangoproject.com/weblog/2011/sep/09/security-releases-issued/>
* <https://www.cve.org/CVERecord?id=CVE-2011-4139>
