USN-3023-1: Thunderbird vulnerabilities

Releases

• Ubuntu 16.04 ESM
• Ubuntu 15.10
• Ubuntu 14.04 ESM
• Ubuntu 12.04

Packages

• thunderbird - Mozilla Open Source mail and newsgroup client

Details

It was discovered that NSPR incorrectly handled memory allocation. 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-2016-1951)

Christian Holler, Gary Kwong, Jesse Ruderman, Tyson Smith, Timothy Nikkel,
Sylvestre Ledru, Julian Seward, Olli Pettay, and Karl Tomlinson,
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-2016-2818)

Update instructions

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

Ubuntu 16.04

• thunderbird - 1:45.2.0+build1-0ubuntu0.16.04.1

Ubuntu 15.10

• thunderbird - 1:45.2.0+build1-0ubuntu0.15.10.1

Ubuntu 14.04

• thunderbird - 1:45.2.0+build1-0ubuntu0.14.04.3

Ubuntu 12.04

• thunderbird - 1:45.2.0+build1-0ubuntu0.12.04.1

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

References

• CVE-2016-1951
• CVE-2016-2818

Related notices

• USN-3028-1
• USN-2993-1