---
title: "CVE-2016-9079\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-2016-9079?format=md
keywords: index, follow
---

# CVE-2016-9079

Publication date 30 November 2016

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**7.5 · High**

[Score breakdown](https://ubuntu.com/security/CVE-2016-9079?format=md#impact-score)

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## Description

A use-after-free vulnerability in SVG Animation has been discovered. An
exploit built on this vulnerability has been discovered in the wild
targeting Firefox and Tor Browser users on Windows. This vulnerability
affects Firefox < 50.0.2, Firefox ESR < 45.5.1, and Thunderbird < 45.5.1.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 16.10 yakkety | Fixed 50.0.2+build1-0ubuntu0.16.10.1 |
| 16.04 LTS xenial | Fixed 50.0.2+build1-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 50.0.2+build1-0ubuntu0.14.04.1 |
| 12.04 LTS precise | Fixed 50.0.2+build1-0ubuntu0.12.04.1 |
| thunderbird | 16.10 yakkety | Fixed 1:45.5.1+build1-0ubuntu0.16.10.1 |
| 16.04 LTS xenial | Fixed 1:45.5.1+build1-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 1:45.5.1+build1-0ubuntu0.14.04.1 |
| 12.04 LTS precise | Fixed 1:45.5.1+build1-0ubuntu0.12.04.1 |

---

* [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**

7.5 · High

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 7.5 · High |
  | Exploitability score | - |
  | Impact score | - |

**Vector:** CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9079)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-9079)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-9079)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-9079)

### Related Ubuntu Security Notices (USN)

+ [USN-3141-1](https://usn.ubuntu.com/USN-3141-1)
+ Thunderbird vulnerabilities
+ 1 December 2016

+ [USN-3140-1](https://usn.ubuntu.com/USN-3140-1)
+ Firefox vulnerabilities
+ 30 November 2016

### Other references

* <https://www.mozilla.org/en-US/security/advisories/mfsa2016-92/>
* <https://www.cve.org/CVERecord?id=CVE-2016-9079>
* <https://www.cisa.gov/known-exploited-vulnerabilities-catalog>