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Ubuntu Security Notice USN-3155-1
December 13, 2016

firefox vulnerabilities
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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:

Multiple security vulnerabilities were discovered in Firefox. If a user
were tricked in to opening a specially crafted website, an attacker could
potentially exploit these to conduct cross-site scripting (XSS) attacks,
obtain sensitive information, cause a denial of service via application
crash, or execute arbitrary code. (CVE-2016-9080, CVE-2016-9893,
CVE-2016-9894, CVE-2016-9895, CVE-2016-9896, CVE-2016-9897, CVE-2016-9898,
CVE-2016-9899, CVE-2016-9900, CVE-2016-9901, CVE-2016-9902, CVE-2016-9903,
CVE-2016-9904)

Update instructions:

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

Ubuntu 16.10:
firefox 50.1.0+build2-0ubuntu0.16.10.1

Ubuntu 16.04 LTS:
firefox 50.1.0+build2-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
firefox 50.1.0+build2-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
firefox 50.1.0+build2-0ubuntu0.12.04.1

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

References:
http://www.ubuntu.com/usn/usn-3155-1
CVE-2016-9080, CVE-2016-9893, CVE-2016-9894, CVE-2016-9895,
CVE-2016-9896, CVE-2016-9897, CVE-2016-9898, CVE-2016-9899,
CVE-2016-9900, CVE-2016-9901, CVE-2016-9902, CVE-2016-9903,
CVE-2016-9904

Package Information:
https://launchpad.net/ubuntu/+source/firefox/50.1.0+build2-0ubuntu0.16.10.1
https://launchpad.net/ubuntu/+source/firefox/50.1.0+build2-0ubuntu0.16.04.1
https://launchpad.net/ubuntu/+source/firefox/50.1.0+build2-0ubuntu0.14.04.1
https://launchpad.net/ubuntu/+source/firefox/50.1.0+build2-0ubuntu0.12.04.1

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