---
title: "CVE-2013-0846\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-2013-0846?format=md
keywords: index, follow
---

# CVE-2013-0846

Publication date 7 December 2013

Last updated 24 July 2024

---

Ubuntu priority

**Medium**

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

Toggle side navigation

## Description

Array index error in the qdm2\_decode\_super\_block function in
libavcodec/qdm2.c in FFmpeg before 1.1 allows remote attackers to have an
unspecified impact via crafted QDM2 data, which triggers an out-of-bounds
array access.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2013-0846?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| ffmpeg | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Ignored end of life |
| ffmpeg-extra | 13.10 saucy | Not in release |
| 13.04 raring | Not in release |
| 12.10 quantal | Not in release |
| 12.04 LTS precise | Not in release |
| 10.04 LTS lucid | Ignored end of life |
| libav | 13.10 saucy | Ignored |
| 13.04 raring | Ignored |
| 12.10 quantal | Ignored |
| 12.04 LTS precise | Ignored |
| 10.04 LTS lucid | Not in release |
| libav-extra | 13.10 saucy | Ignored |
| 13.04 raring | Ignored |
| 12.10 quantal | Ignored |
| 12.04 LTS precise | Ignored |
| 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-2013-0846?format=md#patch-details)

## Notes

---

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

libav and ffmpeg codebases have diverged to the point of
not being able to track both using the same CVE numbers.
Marking this CVE as ignored for libav.

### 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 |
| --- | --- |
| libav | * Upstream:   <http://git.libav.org/?p=libav.git;a=commit;h=39bec05ed42e505d17877b0c23f16322f9b5883b> |

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-0846)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2013-0846)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2013-0846)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2013-0846)

### Other references

* <http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=a7ee6281f7ef1c29284e3a4cadfe0f227ffde1ed>
* <https://www.cve.org/CVERecord?id=CVE-2013-0846>