---
title: "CVE-2016-2814\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-2016-2814?format=md
keywords: index, follow
---

# CVE-2016-2814

Publication date 27 April 2016

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**8.8 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2016-2814?format=md#impact-score)

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## Description

Heap-based buffer overflow in the
stagefright::SampleTable::parseSampleCencInfo function in libstagefright in
Mozilla Firefox before 46.0, Firefox ESR 38.x before 38.8, and Firefox ESR
45.x before 45.1 allows remote attackers to execute arbitrary code via
crafted CENC offsets that lead to mismanagement of the sizes table.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 16.04 LTS xenial | Fixed 46.0+build5-0ubuntu0.16.04.2 |
| 15.10 wily | Fixed 46.0+build5-0ubuntu0.15.10.2 |
| 14.04 LTS trusty | Fixed 46.0+build5-0ubuntu0.14.04.2 |
| 12.04 LTS precise | Fixed 46.0+build5-0ubuntu0.12.04.2 |
| thunderbird | 16.04 LTS xenial | Not affected |
| 15.10 wily | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not affected |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

8.8 · High

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Network |
  | Attack complexity | Low |
  | Privileges required | None |
  | User interaction | Required |
  | Scope | Unchanged |
  | Confidentiality impact | High |
  | Integrity impact | High |
  | Availability impact | High |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 8.8 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2814)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-2814)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-2814)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-2814)

### Related Ubuntu Security Notices (USN)

+ [USN-2936-1](https://usn.ubuntu.com/USN-2936-1)
+ Firefox vulnerabilities
+ 27 April 2016

### Other references

* <https://www.mozilla.org/en-US/security/advisories/mfsa2016-44/>
* <https://www.cve.org/CVERecord?id=CVE-2016-2814>