---
title: "CVE-2009-4631\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-2009-4631?format=md
keywords: index, follow
---

# CVE-2009-4631

Publication date 10 February 2010

Last updated 24 July 2024

---

Ubuntu priority

**Low**

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

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## Description

Off-by-one error in the VP3 decoder (vp3.c) in FFmpeg 0.5 allows remote
attackers to cause a denial of service and possibly execute arbitrary code
via a crafted VP3 file that triggers an out-of-bounds read and possibly
memory corruption.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2009-4631?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ffmpeg | 9.10 karmic | Not affected |
| 9.04 jaunty | Not affected |
| 8.10 intrepid | Not affected |
| 8.04 LTS hardy | Not affected |
| 6.06 LTS dapper | Ignored end of life |
| ffmpeg-debian | 9.10 karmic | Not in release |
| 9.04 jaunty | Not affected |
| 8.10 intrepid | Not affected |
| 8.04 LTS hardy | Not in release |
| 6.06 LTS dapper | 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)

## Notes

---

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

0.5.x doesn't seem affected, can't reproduce

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4631)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2009-4631)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2009-4631)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2009-4631)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2009-4631>