Ubuntu 2712-1: Thunderbird vulnerabilities

    Date25 Aug 2015
    CategoryUbuntu
    76
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in Thunderbird.
    ==========================================================================
    Ubuntu Security Notice USN-2712-1
    August 25, 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
    
    After a standard system update you need to restart Thunderbird to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-2712-1
      CVE-2015-4473, CVE-2015-4487, CVE-2015-4488, CVE-2015-4489,
      CVE-2015-4491
    
    Package Information:
      https://launchpad.net/ubuntu/+source/thunderbird/1:38.2.0+build1-0ubuntu0.15.04.1
      https://launchpad.net/ubuntu/+source/thunderbird/1:38.2.0+build1-0ubuntu0.14.04.1
      https://launchpad.net/ubuntu/+source/thunderbird/1:38.2.0+build1-0ubuntu0.12.04.2
    
    
    
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