---
title: "CVE-2014-8100\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-2014-8100?format=md
keywords: index, follow
---

# CVE-2014-8100

Publication date 9 December 2014

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

The Render extension in XFree86 4.0.1, X.Org X Window System (aka X11 or X)
X11R6.7, and X.Org Server (aka xserver and xorg-server) before 1.16.3
allows remote authenticated users to cause a denial of service
(out-of-bounds read or write) or possibly execute arbitrary code via a
crafted length or index value to the (1) ProcRenderQueryVersion, (2)
SProcRenderQueryVersion, (3) SProcRenderQueryPictFormats, (4)
SProcRenderQueryPictIndexValues, (5) SProcRenderCreatePicture, (6)
SProcRenderChangePicture, (7) SProcRenderSetPictureClipRectangles, (8)
SProcRenderFreePicture, (9) SProcRenderComposite, (10) SProcRenderScale,
(11) SProcRenderCreateGlyphSet, (12) SProcRenderReferenceGlyphSet, (13)
SProcRenderFreeGlyphSet, (14) SProcRenderFreeGlyphs, or (15)
SProcRenderCompositeGlyphs function.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| xorg-server | 14.10 utopic | Fixed 2:1.16.0-1ubuntu1.1 |
| 14.04 LTS trusty | Fixed 2:1.15.1-0ubuntu2.4 |
| 12.04 LTS precise | Fixed 2:1.11.4-0ubuntu10.15 |
| 10.04 LTS lucid | Ignored end of life |
| xorg-server-lts-trusty | 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Fixed 2:1.15.1-0ubuntu2~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-2014-8100)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-8100)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-8100)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-8100)

### Related Ubuntu Security Notices (USN)

+ [USN-2436-1](https://usn.ubuntu.com/USN-2436-1)
+ X.Org X server vulnerabilities
+ 9 December 2014

### Other references

* <http://www.x.org/wiki/Development/Security/Advisory-2014-12-09/>
* <https://www.cve.org/CVERecord?id=CVE-2014-8100>