1. Ubuntu Security Notices
  2. USN-3490-1

USN-3490-1: Thunderbird vulnerabilities

Publication date

1 December 2017

Overview

Several security issues were fixed in Thunderbird.

Releases

Packages

  • 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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
17.10 artful thunderbird –  1:52.5.0+build1-0ubuntu0.17.10.1
17.04 zesty thunderbird –  1:52.5.0+build1-0ubuntu0.17.04.1
16.04 xenial thunderbird –  1:52.5.0+build1-0ubuntu0.16.04.1
14.04 trusty thunderbird –  1:52.5.0+build1-0ubuntu0.14.04.1

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Get Ubuntu Pro

References

Have additional questions?

Talk to a member of the team ›