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USN-3023-1: Thunderbird vulnerabilities

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Ubuntu Security Notice USN-3023-1

18th July, 2016

thunderbird vulnerabilities

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

  • Ubuntu 16.04 LTS
  • Ubuntu 15.10
  • 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

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 version:

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

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

CVE-2016-1951, CVE-2016-2818

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