---
title: "CVE-2014-8549\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-2014-8549?format=md
keywords: index, follow
---

# CVE-2014-8549

Publication date 5 November 2014

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

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## Description

libavcodec/on2avc.c in FFmpeg before 2.4.2 does not constrain the number of
channels to at most 2, which allows remote attackers to cause a denial of
service (out-of-bounds access) or possibly have unspecified other impact
via crafted On2 data.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ffmpeg | 15.04 vivid | Not affected |
| 14.10 utopic | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Ignored end of life |
| libav | 15.04 vivid | Not affected |
| 14.10 utopic | Ignored end of life |
| 14.04 LTS trusty | Not affected |
| 12.04 LTS precise | Not affected |
| 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)
* [Patch details](https://ubuntu.com/security/CVE-2014-8549?format=md#patch-details)

### 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 |
| --- | --- |
| ffmpeg | * Upstream:   <http://git.videolan.org/?p=ffmpeg.git;a=commit;h=550f3e9df3410b3dd975e590042c0d83e20a8da3> |
| libav | * Upstream:   <https://git.libav.org/?p=libav.git;a=commit;h=cee4490b521fd0d02476d46aa2598af24fb8d686> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-8549)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2014-8549)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2014-8549)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2014-8549)

### Other references

* <http://www.ffmpeg.org/security.html>
* <https://www.cve.org/CVERecord?id=CVE-2014-8549>