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Ubuntu 16.04 LTS: USN-3023-1 Moderate: Thunderbird Memory Issue

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Calendar Grey July 18, 2016
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Numerous vulnerabilities for Thunderbird have been flagged in the Ubuntu Security Announcement USN-3023-1. Mitigate possible threats now.
Several security issues were fixed in Thunderbird.

Summary

Several security issues were fixed in Thunderbird.

Software Description:

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

Ubuntu 12.04 LTS:
  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

https://ubuntu.com/security/notices/USN-3023-1

CVE-2016-1951, CVE-2016-2818

Severity
important
Lowest
Low
Medium
High
Critical

July 18, 2016

Package Information

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