USN-3140-1: Firefox vulnerabilities
Ubuntu Security Notice USN-3140-1
30th November, 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
It was discovered that data: URLs can inherit the wrong origin after a
HTTP redirect in some circumstances. An attacker could potentially
exploit this to bypass same-origin restrictions. (CVE-2016-9078)
A use-after-free was discovered in SVG animations. If a user were tricked
in to opening a specially crafted website, an attacker could exploit this
to cause a denial of service via application crash, or execute arbitrary
code. (CVE-2016-9079)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 16.10:
-
firefox
50.0.2+build1-0ubuntu0.16.10.1
- Ubuntu 16.04 LTS:
-
firefox
50.0.2+build1-0ubuntu0.16.04.1
- Ubuntu 14.04 LTS:
-
firefox
50.0.2+build1-0ubuntu0.14.04.1
- Ubuntu 12.04 LTS:
-
firefox
50.0.2+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.
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