---
title: "CVE-2011-0904\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-2011-0904?format=md
keywords: index, follow
---

# CVE-2011-0904

Publication date 2 May 2011

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

The rfbSendFramebufferUpdate function in server/libvncserver/rfbserver.c in
vino-server in Vino 2.x before 2.28.3, 2.32.x before 2.32.2, 3.0.x before
3.0.2, and 3.1.x before 3.1.1, when raw encoding is used, allows remote
authenticated users to cause a denial of service (daemon crash) via a large
(1) X position or (2) Y position value in a framebuffer update request that
triggers an out-of-bounds memory access, related to the rfbTranslateNone
and rfbSendRectEncodingRaw functions.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2011-0904?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| kdenetwork | 11.04 natty | Not affected |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 9.10 karmic | Ignored end of life |
| 8.04 LTS hardy | Ignored end of life |
| 6.06 LTS dapper | Ignored end of life |
| libvncserver | 11.04 natty | Not affected |
| 10.10 maverick | Not affected |
| 10.04 LTS lucid | Not affected |
| 9.10 karmic | Ignored end of life |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Ignored end of life |
| vino | 11.04 natty | Fixed 2.32.1-0ubuntu2.1 |
| 10.10 maverick | Fixed 2.32.0-0ubuntu1.2 |
| 10.04 LTS lucid | Fixed 2.28.2-0ubuntu2.1 |
| 9.10 karmic | Ignored end of life |
| 8.04 LTS hardy | Fixed 2.22.2-0ubuntu1.1 |
| 6.06 LTS dapper | 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-2011-0904?format=md#patch-details)

## Notes

---

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

code doesn't seem present in kdenetwork in lucid and maverick
turns out libvncserver and kdenetwork aren't vulnerable

### 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 |
| --- | --- |
| vino | * Upstream:   [?id=8be](http://git.gnome.org/browse/vino/commit/?id=8beefcf7792d343c10c919ee0c928c81f73b1279) |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-0904)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2011-0904)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2011-0904)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2011-0904)

### Related Ubuntu Security Notices (USN)

+ [USN-1128-1](https://usn.ubuntu.com/USN-1128-1)
+ Vino vulnerabilities
+ 2 May 2011

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2011-0904>