USN-2712-1: Thunderbird vulnerabilities

25 August 2015

thunderbird vulnerabilities

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

  • Ubuntu 15.04
  • 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

Gary Kwong, Christian Holler, and Byron Campen 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 with the privileges ofthe user invoking Thunderbird. (CVE-2015-4473)

Ronald Crane reported 3 security issues. If a user were tricked in to opening a specially crafted message, an attacker could potentially exploit these, in combination with another security vulnerability, to cause a denial of service via application crash, or execute arbitrary code with the privileges of the user invoking Thunderbird. (CVE-2015-4487, CVE-2015-4488, CVE-2015-4489)

Gustavo Grieco discovered a heap overflow in gdk-pixbuf. 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 with the priviliges of the user invoking Thunderbird. (CVE-2015-4491)

Update instructions

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

Ubuntu 15.04
thunderbird - 1:38.2.0+build1-0ubuntu0.15.04.1
Ubuntu 14.04 LTS
thunderbird - 1:38.2.0+build1-0ubuntu0.14.04.1
Ubuntu 12.04 LTS
thunderbird - 1:38.2.0+build1-0ubuntu0.12.04.2

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