---
title: "CVE-2013-4396\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-2013-4396?format=md
keywords: index, follow
---

# CVE-2013-4396

Publication date 10 October 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

Use-after-free vulnerability in the doImageText function in dix/dixfonts.c
in the xorg-server module before 1.14.4 in X.Org X11 allows remote
authenticated users to cause a denial of service (daemon crash) or possibly
execute arbitrary code via a crafted ImageText request that triggers
memory-allocation failure.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| xorg-server | 13.04 raring | Fixed 2:1.13.3-0ubuntu6.2 |
| 12.10 quantal | Fixed 2:1.13.0-0ubuntu6.4 |
| 12.04 LTS precise | Fixed 2:1.11.4-0ubuntu10.14 |
| 10.04 LTS lucid | Ignored end of life |
| xorg-server-lts-quantal | 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Fixed 2:1.13.0-0ubuntu6.1~precise4 |
| 10.04 LTS lucid | Not in release |
| xorg-server-lts-raring | 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Fixed 2:1.13.3-0ubuntu6~precise3 |
| 10.04 LTS lucid | 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-2013-4396)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-4396)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-4396)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-4396)

### Related Ubuntu Security Notices (USN)

+ [USN-1990-1](https://usn.ubuntu.com/USN-1990-1)
+ X.Org X server vulnerabilities
+ 17 October 2013

### Other references

* <http://www.openwall.com/lists/oss-security/2013/10/08/6>
* <https://www.cve.org/CVERecord?id=CVE-2013-4396>