Ubuntu Security Update USN-3490-1: Thunderbird vulnerabilities

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Ubuntu Security Notice USN-3490-1


1st December, 2017

thunderbird vulnerabilities


A security issue affects these releases of Ubuntu and its derivatives:

• Ubuntu 17.10
• Ubuntu 17.04
• Ubuntu 16.04 LTS
• Ubuntu 14.04 LTS

Summary


Several security issues were fixed in Thunderbird.

Software description

• thunderbird - Mozilla Open Source mail and newsgroup client

Details


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)

Update instructions


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

Ubuntu 17.10:
thunderbird 1:52.5.0+build1-0ubuntu0.17.10.1
Ubuntu 17.04:
thunderbird 1:52.5.0+build1-0ubuntu0.17.04.1
Ubuntu 16.04 LTS:
thunderbird 1:52.5.0+build1-0ubuntu0.16.04.1
Ubuntu 14.04 LTS:
thunderbird 1:52.5.0+build1-0ubuntu0.14.04.1

To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.

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

References


CVE-2017-7826, CVE-2017-7828, CVE-2017-7830

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