---
title: "CVE-2016-1632\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-2016-1632?format=md
keywords: index, follow
---

# CVE-2016-1632

Publication date 6 March 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-2016-1632?format=md#impact-score)

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## Description

The Extensions subsystem in Google Chrome before 49.0.2623.75 does not
properly maintain own properties, which allows remote attackers to bypass
intended access restrictions via crafted JavaScript code that triggers an
incorrect cast, related to extensions/renderer/v8\_helpers.h and
gin/converter.h.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| chromium-browser | 15.10 wily | Fixed 49.0.2623.87-0ubuntu0.15.10.1.1222 |
| 14.04 LTS trusty | Fixed 49.0.2623.87-0ubuntu0.14.04.1.1112 |
| 12.04 LTS precise | Ignored |
| oxide-qt | 15.10 wily | Not affected |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | 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)

## 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-2016-1632)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-1632)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-1632)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-1632)

### Other references

* <http://googlechromereleases.blogspot.ca/2016/03/stable-channel-update.html>
* <https://www.cve.org/CVERecord?id=CVE-2016-1632>