---
title: "CVE-2016-1975\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-2016-1975?format=md
keywords: index, follow
---

# CVE-2016-1975

Publication date 13 March 2016

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**6.3 · Medium**

[Score breakdown](https://ubuntu.com/security/CVE-2016-1975?format=md#impact-score)

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## Description

Multiple race conditions in dom/media/systemservices/CamerasChild.cpp in
the WebRTC implementation in Mozilla Firefox before 45.0 on Windows might
allow remote attackers to cause a denial of service (memory corruption) or
possibly have unspecified other impact via unknown vectors.

[Read the notes from the security team](https://ubuntu.com/security/CVE-2016-1975?format=md#notes)

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 15.10 wily | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not affected |
| thunderbird | 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)
* [Patch details](https://ubuntu.com/security/CVE-2016-1975?format=md#patch-details)

## Notes

---

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

may affect libvpx, advisory unclear

---

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

Windows only, according to Mozilla advisory

### 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 |
| --- | --- |
| firefox | * Upstream:   <http://hg.mozilla.org/mozilla-central/rev/2ebbf6197fea> |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

6.3 · Medium

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 6.3 · Medium |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1975)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-1975)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-1975)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-1975)

### Other references

* <https://www.mozilla.org/en-US/security/advisories/mfsa2016-32/>
* <https://www.cve.org/CVERecord?id=CVE-2016-1975>