USN-3111-1: Firefox vulnerabilities
Ubuntu Security Notice USN-3111-1
27th October, 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
Several security issues were fixed in Firefox.
Software description
- firefox
– Mozilla Open Source web browser
Details
A use-after-free was discovered in service workers. 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 program crash, or execute
arbitrary code. (CVE-2016-5287)
It was discovered that web content could access information in the HTTP
cache in some circumstances. An attacker could potentially exploit this
to obtain sensitive information. (CVE-2016-5288)
Update instructions
The problem can be corrected by updating your system to the following
package version:
- Ubuntu 16.10:
-
firefox
49.0.2+build2-0ubuntu0.16.10.2
- Ubuntu 16.04 LTS:
-
firefox
49.0.2+build2-0ubuntu0.16.04.2
- Ubuntu 14.04 LTS:
-
firefox
49.0.2+build2-0ubuntu0.14.04.1
- Ubuntu 12.04 LTS:
-
firefox
49.0.2+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
Source: USN-3111-1: Firefox vulnerabilities
