USN-3552-1: Firefox vulnerability
Ubuntu Security Notice USN-3552-1
31st January, 2018
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Firefox could be made to run programs as your login if it opened a malicious website.
- firefox - Mozilla Open Source web browser
Johann Hofmann discovered that HTML fragments created for
chrome-privileged documents were not properly sanitized. An attacker
could exploit this to execute arbitrary code. (CVE-2018-5124)
The problem can be corrected by updating your system to the following package version:
- Ubuntu 17.10:
- firefox 58.0.1+build1-0ubuntu0.17.10.1
- Ubuntu 16.04 LTS:
- firefox 58.0.1+build1-0ubuntu0.16.04.1
- Ubuntu 14.04 LTS:
- firefox 58.0.1+build1-0ubuntu0.14.04.1
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.