Advisory Published

USN-3490-1: Thunderbird vulnerabilities

First published: Fri Dec 01 2017(Updated: )

Multiple security issues were discovered in Thunderbird. If a user were tricked in to opening a specially crafted website in a browsing-like context, an attacker could potentially exploit these to bypass same-origin restrictions, cause a denial of service via application crash, or execute arbitrary code. (CVE-2017-7826, CVE-2017-7828, CVE-2017-7830)

Affected SoftwareAffected VersionHow to fix
All of
ubuntu/thunderbird<1:52.5.0+build1-0ubuntu0.17.10.1
1:52.5.0+build1-0ubuntu0.17.10.1
=17.10
All of
ubuntu/thunderbird<1:52.5.0+build1-0ubuntu0.17.04.1
1:52.5.0+build1-0ubuntu0.17.04.1
=17.04
All of
ubuntu/thunderbird<1:52.5.0+build1-0ubuntu0.16.04.1
1:52.5.0+build1-0ubuntu0.16.04.1
=16.04
All of
ubuntu/thunderbird<1:52.5.0+build1-0ubuntu0.14.04.1
1:52.5.0+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 Thunderbird vulnerability?

    The vulnerability ID for this Thunderbird vulnerability is CVE-2017-7826.

  • What is the severity of CVE-2017-7826?

    The severity of CVE-2017-7826 is not stated in the provided information.

  • How can an attacker exploit CVE-2017-7826?

    An attacker can potentially exploit CVE-2017-7826 to bypass same-origin restrictions, cause a denial of service via application crash, or execute arbitrary code.

  • Which versions of Thunderbird are affected by CVE-2017-7826?

    Versions 1:52.5.0+build1-0ubuntu0.17.10.1, 1:52.5.0+build1-0ubuntu0.17.04.1, 1:52.5.0+build1-0ubuntu0.16.04.1, and 1:52.5.0+build1-0ubuntu0.14.04.1 of Thunderbird are affected by CVE-2017-7826.

  • How do I fix the Thunderbird vulnerability CVE-2017-7826?

    To fix the Thunderbird vulnerability CVE-2017-7826, update your Thunderbird installation to version 1:52.5.0+build1-0ubuntu0.17.10.1, 1:52.5.0+build1-0ubuntu0.17.04.1, 1:52.5.0+build1-0ubuntu0.16.04.1, or 1:52.5.0+build1-0ubuntu0.14.04.1.

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