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Ubuntu Security Notice USN-3141-1
December 01, 2016

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

- Ubuntu 16.10
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS

Summary:

Several security issues were fixed in Thunderbird.

Software Description:
- thunderbird: Mozilla Open Source mail and newsgroup client

Details:

Christian Holler, Jon Coppeard, Olli Pettay, Ehsan Akhgari, Gary Kwong,
Tooru Fujisawa, and Randell Jesup discovered multiple memory safety issues
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 via application crash, or execute arbitrary code. (CVE-2016-5290)

A same-origin policy bypass was discovered with local HTML files in some
circumstances. An attacker could potentially exploit this to obtain
sensitive information. (CVE-2016-5291)

A heap buffer-overflow was discovered in Cairo when processing SVG
content. If a user were tricked in to opening a specially crafted message,
an attacker could potentially exploit this to cause a denial of service
via application crash, or execute arbitrary code. (CVE-2016-5296)

An error was discovered in argument length checking in Javascript. If a
user were tricked in to opening a specially crafted website in a browsing
context, an attacker could potentially exploit this to cause a denial of
service via application crash, or execute arbitrary code. (CVE-2016-5297)

A buffer overflow was discovered in nsScriptLoadHandler. If a user were
tricked in to opening a specially crafted website in a browsing context,
an attacker could potentially exploit this to cause a denial of service
via application crash, or execute arbitrary code. (CVE-2016-9066)

A use-after-free was discovered in SVG animations. If a user were tricked
in to opening a specially crafted website in a browsing context, an
attacker could exploit this to cause a denial of service via application
crash, or execute arbitrary code. (CVE-2016-9079)

Update instructions:

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

Ubuntu 16.10:
  thunderbird                     1:45.5.1+build1-0ubuntu0.16.10.1

Ubuntu 16.04 LTS:
  thunderbird                     1:45.5.1+build1-0ubuntu0.16.04.1

Ubuntu 14.04 LTS:
  thunderbird                     1:45.5.1+build1-0ubuntu0.14.04.1

Ubuntu 12.04 LTS:
  thunderbird                     1:45.5.1+build1-0ubuntu0.12.04.1

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

References:
  http://www.ubuntu.com/usn/usn-3141-1
  CVE-2016-5290, CVE-2016-5291, CVE-2016-5296, CVE-2016-5297,
  CVE-2016-9066, CVE-2016-9079

Package Information:
  https://launchpad.net/ubuntu/+source/thunderbird/1:45.5.1+build1-0ubuntu0.16.10.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:45.5.1+build1-0ubuntu0.16.04.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:45.5.1+build1-0ubuntu0.14.04.1
  https://launchpad.net/ubuntu/+source/thunderbird/1:45.5.1+build1-0ubuntu0.12.04.1