USN-3155-1: Firefox vulnerabilities

13 December 2016

firefox vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

  • Ubuntu 16.10
  • Ubuntu 16.04 LTS
  • Ubuntu 14.04 LTS
  • Ubuntu 12.04 LTS

Summary

Firefox could be made to crash or run programs as your login if it opened a malicious website.

Software Description

  • firefox - Mozilla Open Source web browser

Details

Multiple security vulnerabilities were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to conduct cross-site scripting (XSS) attacks, obtain sensitive information, cause a denial of service via application crash, or execute arbitrary code. (CVE-2016-9080, CVE-2016-9893, CVE-2016-9894, CVE-2016-9895, CVE-2016-9896, CVE-2016-9897, CVE-2016-9898, CVE-2016-9899, CVE-2016-9900, CVE-2016-9901, CVE-2016-9902, CVE-2016-9903, CVE-2016-9904)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 16.10
firefox - 50.1.0+build2-0ubuntu0.16.10.1
Ubuntu 16.04 LTS
firefox - 50.1.0+build2-0ubuntu0.16.04.1
Ubuntu 14.04 LTS
firefox - 50.1.0+build2-0ubuntu0.14.04.1
Ubuntu 12.04 LTS
firefox - 50.1.0+build2-0ubuntu0.12.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

After a standard system update you need to restart Firefox to make all the necessary changes.

References