---
title: "CVE-2012-4558\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-2012-4558?format=md
keywords: index, follow
---

# CVE-2012-4558

Publication date 26 February 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

Multiple cross-site scripting (XSS) vulnerabilities in the balancer\_handler
function in the manager interface in mod\_proxy\_balancer.c in the
mod\_proxy\_balancer module in the Apache HTTP Server 2.2.x before 2.2.24-dev
and 2.4.x before 2.4.4 allow remote attackers to inject arbitrary web
script or HTML via a crafted string.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2012-4558?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| apache2 | 12.10 quantal | Fixed 2.2.22-6ubuntu2.2 |
| 12.04 LTS precise | Fixed 2.2.22-1ubuntu1.3 |
| 11.10 oneiric | Fixed 2.2.20-1ubuntu1.4 |
| 10.04 LTS lucid | Fixed 2.2.14-5ubuntu8.11 |
| 8.04 LTS hardy | Fixed 2.2.8-1ubuntu0.25 |

---

* [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-2012-4558?format=md#patch-details)

## Notes

---

### [mdeslaur](https://launchpad.net/~mdeslaur)

same commit as CVE-2012-3499

### 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 |
| --- | --- |
| apache2 | * Upstream:   <http://svn.apache.org/viewvc?view=revision&revision=1447390> * Vendor:   <http://www.debian.org/security/2013/dsa-2637> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-4558)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2012-4558)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2012-4558)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2012-4558)

### Related Ubuntu Security Notices (USN)

+ [USN-1765-1](https://usn.ubuntu.com/USN-1765-1)
+ Apache HTTP Server vulnerabilities
+ 18 March 2013

### Other references

* <http://svn.apache.org/viewvc/httpd/httpd/trunk/modules/proxy/mod_proxy_balancer.c?r1=1404653&r2=1413732&diff_format=h>
* <http://httpd.apache.org/security/vulnerabilities_22.html>
* <https://www.cve.org/CVERecord?id=CVE-2012-4558>