---
title: "CVE-2016-1646\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-2016-1646?format=md
keywords: index, follow
---
# CVE-2016-1646
Publication date 29 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-2016-1646?format=md#impact-score)
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## Description
The Array.prototype.concat implementation in builtins.cc in Google V8, as
used in Google Chrome before 49.0.2623.108, does not properly consider
element data types, which allows remote attackers to cause a denial of
service (out-of-bounds read) or possibly have unspecified other impact via
crafted JavaScript code.
[Read the notes from the security team](https://ubuntu.com/security/CVE-2016-1646?format=md#notes)
## Status
Show unmaintained releases
| Package | Ubuntu Release | Status |
| --- | --- | --- |
| chromium-browser | 18.10 cosmic | Fixed 49.0.2623.108-0ubuntu1.1233 |
| 18.04 LTS bionic | Fixed 49.0.2623.108-0ubuntu1.1233 |
| 17.10 artful | Fixed 49.0.2623.108-0ubuntu1.1233 |
| 17.04 zesty | Fixed 49.0.2623.108-0ubuntu1.1233 |
| 16.10 yakkety | Fixed 49.0.2623.108-0ubuntu1.1233 |
| 16.04 LTS xenial | Fixed 49.0.2623.108-0ubuntu1.1233 |
| 15.10 wily | Fixed 49.0.2623.108-0ubuntu0.15.10.1.1223 |
| 14.04 LTS trusty | Fixed 49.0.2623.108-0ubuntu0.14.04.1.1113 |
| 12.04 LTS precise | Ignored |
| libv8 | 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 17.10 artful | Not in release |
| 17.04 zesty | Not in release |
| 16.10 yakkety | Not in release |
| 16.04 LTS xenial | Not in release |
| 15.10 wily | Not in release |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Ignored end of life |
| libv8-3.14 | 18.10 cosmic | Ignored end of life |
| 18.04 LTS bionic | Ignored end of standard support |
| 17.10 artful | Ignored end of life |
| 17.04 zesty | Ignored end of life |
| 16.10 yakkety | Ignored end of life |
| 16.04 LTS xenial | Ignored end of standard support |
| 15.10 wily | Ignored end of life |
| 14.04 LTS trusty | Not in release |
| 12.04 LTS precise | Not in release |
| oxide-qt | 18.10 cosmic | Not in release |
| 18.04 LTS bionic | Not in release |
| 17.10 artful | Fixed 1.14.9-0ubuntu1 |
| 17.04 zesty | Fixed 1.14.9-0ubuntu1 |
| 16.10 yakkety | Fixed 1.14.9-0ubuntu1 |
| 16.04 LTS xenial | Fixed 1.14.7-0ubuntu1 |
| 15.10 wily | Fixed 1.14.7-0ubuntu0.15.10.1 |
| 14.04 LTS trusty | Fixed 1.14.7-0ubuntu0.14.04.1 |
| 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)
## Notes
---
### [mikesalvatore](https://launchpad.net/~mikesalvatore)
The Ubuntu Security Team does not support libv8
## 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:3.1/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-2016-1646)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-1646)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-1646)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-1646)
### Related Ubuntu Security Notices (USN)
+ [USN-2955-1](https://usn.ubuntu.com/USN-2955-1)
+ Oxide vulnerabilities
+ 27 April 2016
### Other references
*
*
*