---
title: "CVE-2017-5428\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-2017-5428?format=md
keywords: index, follow
---

# CVE-2017-5428

Publication date 20 March 2017

Last updated 25 August 2025

---

Ubuntu priority

**Medium**

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

## Cvss 3 Severity Score

**9.8 · Critical**

[Score breakdown](https://ubuntu.com/security/CVE-2017-5428?format=md#impact-score)

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## Description

An integer overflow in "createImageBitmap()" was reported through the
Pwn2Own contest. The fix for this vulnerability disables the experimental
extensions to the "createImageBitmap" API. This function runs in the
content sandbox, requiring a second vulnerability to compromise a user's
computer. This vulnerability affects Firefox ESR < 52.0.1 and Firefox <
52.0.1.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| firefox | 17.04 zesty | Fixed 52.0.1+build2-0ubuntu1 |
| 16.10 yakkety | Fixed 52.0.1+build2-0ubuntu0.16.10.1 |
| 16.04 LTS xenial | Fixed 52.0.1+build2-0ubuntu0.16.04.1 |
| 14.04 LTS trusty | Fixed 52.0.1+build2-0ubuntu0.14.04.1 |
| 12.04 LTS precise | Fixed 52.0.1+build2-0ubuntu0.12.04.1 |

---

* [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**

9.8 · Critical

* Base metrics

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

  | Parameter | Value |
  | --- | --- |
  | Base score | 9.8 · Critical |
  | Exploitability score | - |
  | Impact score | - |

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-5428)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2017-5428)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2017-5428)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2017-5428)

### Related Ubuntu Security Notices (USN)

+ [USN-3238-1](https://usn.ubuntu.com/USN-3238-1)
+ Firefox vulnerability
+ 20 March 2017

### Other references

* <https://www.mozilla.org/en-US/security/advisories/mfsa2017-08/#CVE-2017-5428>
* <https://www.cve.org/CVERecord?id=CVE-2017-5428>