1. Ubuntu Security Notices
  2. USN-3897-1

USN-3897-1: Thunderbird vulnerabilities

Publication date

26 February 2019

Overview

Several security issues were fixed in Thunderbird.

Releases

Packages

  • thunderbird - Mozilla Open Source mail and newsgroup client

Details

A use-after-free was discovered in libical. If a user were tricked in to
opening a specially crafted ICS calendar file, an attacker could
potentially exploit this to cause a denial of service. (CVE-2016-5824)

Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted message, an attacker could
potentially exploit these to cause a denial of service, or execute
arbitrary code. (CVE-2018-18356, CVE-2018-18500, CVE-2019-5785)

Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
gain additional privileges by escaping the sandbox, or execute arbitrary
code. (

A use-after-free was discovered in libical. If a user were tricked in to
opening a specially crafted ICS calendar file, an attacker could
potentially exploit this to cause a denial of service. (CVE-2016-5824)

Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted message, an attacker could
potentially exploit these to cause a denial of service, or execute
arbitrary code. (CVE-2018-18356, CVE-2018-18500, CVE-2019-5785)

Multiple security issues were discovered in Thunderbird. If a user were
tricked in to opening a specially crafted website in a browsing context,
an attacker could potentially exploit these to cause a denial of service,
gain additional privileges by escaping the sandbox, or execute arbitrary
code. (CVE-2018-18501, CVE-2018-18505)

An issue was discovered with S/MIME signature verification in some
circumstances. An attacker could potentially exploit this by spoofing
signatures for arbitrary content. (CVE-2018-18509)

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
18.10 cosmic thunderbird –  1:60.5.1+build2-0ubuntu0.18.10.1
18.04 bionic thunderbird –  1:60.5.1+build2-0ubuntu0.18.04.1
16.04 xenial thunderbird –  1:60.5.1+build2-0ubuntu0.16.04.1
14.04 trusty thunderbird –  1:60.5.1+build2-0ubuntu0.14.04.1

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References

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