Advisory Published

USN-3516-1: Firefox vulnerabilities

First published: Fri Jan 05 2018(Updated: )

It was discovered that speculative execution performed by modern CPUs could leak information through a timing side-channel attack, and that this could be exploited in web browser JavaScript engines. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit this to obtain sensitive information from other domains, bypassing same-origin restrictions. (CVE-2017-5715, CVE-2017-5753, CVE-2017-5754).

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/firefox<57.0.4+build1-0ubuntu0.17.10.1
57.0.4+build1-0ubuntu0.17.10.1
=17.10
All of
ubuntu/firefox<57.0.4+build1-0ubuntu0.17.04.1
57.0.4+build1-0ubuntu0.17.04.1
=17.04
All of
ubuntu/firefox<57.0.4+build1-0ubuntu0.16.04.1
57.0.4+build1-0ubuntu0.16.04.1
=16.04
All of
ubuntu/firefox<57.0.4+build1-0ubuntu0.14.04.1
57.0.4+build1-0ubuntu0.14.04.1
=14.04

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Reference Links

Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the vulnerability ID for this Firefox vulnerability?

    The vulnerability ID for this Firefox vulnerability is USN-3516-1.

  • What is the severity of USN-3516-1?

    The severity of USN-3516-1 is not specified in the provided information.

  • How can this vulnerability be exploited?

    This vulnerability can be exploited by tricking a user into opening a specially crafted website.

  • What software versions are affected by USN-3516-1?

    Software versions 57.0.4+build1-0ubuntu0.17.10.1, 57.0.4+build1-0ubuntu0.17.04.1, 57.0.4+build1-0ubuntu0.16.04.1, and 57.0.4+build1-0ubuntu0.14.04.1 are affected by USN-3516-1.

  • How do I fix USN-3516-1?

    To fix USN-3516-1, update Firefox to version 57.0.4+build1-0ubuntu0.17.10.1, 57.0.4+build1-0ubuntu0.17.04.1, 57.0.4+build1-0ubuntu0.16.04.1, or 57.0.4+build1-0ubuntu0.14.04.1.

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