Ubuntu Security Notice USN-2571-1
24th April, 2015
firefox vulnerability
A security issue affects these releases of Ubuntu and its
derivatives:
- Ubuntu (vivid)
- Ubuntu 14.10
- 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
Robert Kaiser discovered a use-after-free during plugin initialization in
some circumstances. If a user were tricked in to opening a specially
crafted website, an attacker could potentially exploit this to cause a
denial of service via application crash or execute arbitrary code with the
privileges of the user invoking Firefox. (CVE-2015-2706)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu (vivid):
-
firefox
37.0.2+build1-0ubuntu0.15.04.1
- Ubuntu 14.10:
-
firefox
37.0.2+build1-0ubuntu0.14.10.1
- Ubuntu 14.04 LTS:
-
firefox
37.0.2+build1-0ubuntu0.14.04.1
- Ubuntu 12.04 LTS:
-
firefox
37.0.2+build1-0ubuntu0.12.04.1
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.