---
title: "CVE-2013-4547\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-2013-4547?format=md
keywords: index, follow
---

# CVE-2013-4547

Publication date 23 November 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

nginx 0.8.41 through 1.4.3 and 1.5.x before 1.5.7 allows remote attackers
to bypass intended restrictions via an unescaped space character in a URI.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| nginx | 13.10 saucy | Fixed 1.4.1-3ubuntu1.1 |
| 13.04 raring | Fixed 1.2.6-1ubuntu3.3 |
| 12.10 quantal | Fixed 1.2.1-2.2ubuntu0.2 |
| 12.04 LTS precise | Fixed 1.1.19-1ubuntu0.5 |
| 10.04 LTS lucid | 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-2013-4547?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 |
| --- | --- |
| nginx | * Upstream:   <http://nginx.org/download/patch.2013.space.txt> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-4547)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-4547)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-4547)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-4547)

### Other references

* <http://mailman.nginx.org/pipermail/nginx-announce/2013/000125.html>
* <https://www.cve.org/CVERecord?id=CVE-2013-4547>