USN-2712-1: Thunderbird vulnerabilities

Releases

• Ubuntu 15.04
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• 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

• thunderbird - 1:38.2.0+build1-0ubuntu0.14.04.1

Ubuntu 12.04

• thunderbird - 1:38.2.0+build1-0ubuntu0.12.04.2

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

References

• CVE-2015-4473
• CVE-2015-4487
• CVE-2015-4488
• CVE-2015-4489
• CVE-2015-4491

Related notices

• USN-2702-1
• USN-2722-1