USN-2538-1: Firefox vulnerabilities

22 March 2015

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

Releases

Packages

  • firefox - Mozilla Open Source web browser

Details

A flaw was discovered in the implementation of typed array bounds checking
in the Javascript just-in-time compilation. If a user were tricked in to
opening a specially crafted website, an attacked could exploit this to
execute arbitrary code with the privileges of the user invoking Firefox.
(CVE-2015-0817)

Mariusz Mlynski discovered a flaw in the processing of SVG format content
navigation. If a user were tricked in to opening a specially crafted
website, an attacker could exploit this to run arbitrary script in a
privileged context. (CVE-2015-0818)

Update instructions

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

Ubuntu 14.10
Ubuntu 14.04
Ubuntu 12.04

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