---
title: "CVE-2016-1684\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-2016-1684?format=md
keywords: index, follow
---

# CVE-2016-1684

Publication date 31 May 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-2016-1684?format=md#impact-score)

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## Description

numbers.c in libxslt before 1.1.29, as used in Google Chrome before
51.0.2704.63, mishandles the i format token for xsl:number data, which
allows remote attackers to cause a denial of service (integer overflow or
resource consumption) or possibly have unspecified other impact via a
crafted document.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| chromium-browser | 17.04 zesty | Fixed 51.0.2704.79-0ubuntu2~cm1 |
| 16.10 yakkety | Fixed 51.0.2704.79-0ubuntu2~cm1 |
| 16.04 LTS xenial | Fixed 51.0.2704.79-0ubuntu0.16.04.1.1242 |
| 15.10 wily | Ignored end of life |
| 14.04 LTS trusty | Fixed 51.0.2704.79-0ubuntu0.14.04.1.1121 |
| 12.04 LTS precise | Ignored |
| libxslt | 17.04 zesty | Not affected |
| 16.10 yakkety | Not affected |
| 16.04 LTS xenial | Fixed 1.1.28-2.1ubuntu0.1 |
| 15.10 wily | Ignored end of life |
| 14.04 LTS trusty | Fixed 1.1.28-2ubuntu0.1 |
| 12.04 LTS precise | Fixed 1.1.26-8ubuntu1.4 |
| oxide-qt | 17.04 zesty | Fixed 1.15.7-0ubuntu1 |
| 16.10 yakkety | Fixed 1.15.7-0ubuntu1 |
| 16.04 LTS xenial | Fixed 1.15.7-0ubuntu0.16.04.1 |
| 15.10 wily | Fixed 1.15.7-0ubuntu0.15.10.1 |
| 14.04 LTS trusty | Fixed 1.15.7-0ubuntu0.14.04.1 |
| 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)
* [Patch details](https://ubuntu.com/security/CVE-2016-1684?format=md#patch-details)

### 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 |
| --- | --- |
| libxslt | * Upstream:   [?id=91d](https://git.gnome.org/browse/libxslt/commit/?id=91d0540ac9beaa86719a05b749219a69baa0dd8d) * Upstream:   [?id=405](https://git.gnome.org/browse/libxslt/commit/?id=405034286fbdd6166229335b7203a41bf53b40fc) |

## Severity score breakdown

CVSS version:
CVSS v3.0

**Base score**

7.5 · High

* Base metrics

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

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

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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-1684)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2016-1684)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2016-1684)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2016-1684)

### Related Ubuntu Security Notices (USN)

+ [USN-2992-1](https://usn.ubuntu.com/USN-2992-1)
+ Oxide vulnerabilities
+ 6 June 2016

+ [USN-3271-1](https://usn.ubuntu.com/USN-3271-1)
+ Libxslt vulnerabilities
+ 28 April 2017

### Other references

* <http://googlechromereleases.blogspot.com/2016/05/stable-channel-update_25.html>
* <https://www.cve.org/CVERecord?id=CVE-2016-1684>