Ubuntu 3228-1: libevent vulnerabilities

    Date13 Mar 2017
    CategoryUbuntu
    70
    Posted ByLinuxSecurity Advisories
    Several security issues were fixed in libevent.
    ==========================================================================
    Ubuntu Security Notice USN-3228-1
    March 13, 2017
    
    libevent vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 16.10
    - Ubuntu 16.04 LTS
    - Ubuntu 14.04 LTS
    - Ubuntu 12.04 LTS
    
    Summary:
    
    Several security issues were fixed in libevent.
    
    Software Description:
    - libevent: Asynchronous event notification library
    
    Details:
    
    Guido Vranken discovered that libevent incorrectly handled memory when
    processing certain data. A remote attacker could possibly use this issue
    with an application that uses libevent to cause a denial of service, or
    possibly execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.10:
      libevent-2.0-5                  2.0.21-stable-2ubuntu0.16.10.1
    
    Ubuntu 16.04 LTS:
      libevent-2.0-5                  2.0.21-stable-2ubuntu0.16.04.1
    
    Ubuntu 14.04 LTS:
      libevent-2.0-5                  2.0.21-stable-1ubuntu1.14.04.2
    
    Ubuntu 12.04 LTS:
      libevent-2.0-5                  2.0.16-stable-1ubuntu0.2
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-3228-1
      CVE-2016-10195, CVE-2016-10196, CVE-2016-10197
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-2ubuntu0.16.10.1
      https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-2ubuntu0.16.04.1
      https://launchpad.net/ubuntu/+source/libevent/2.0.21-stable-1ubuntu1.14.04.2
      https://launchpad.net/ubuntu/+source/libevent/2.0.16-stable-1ubuntu0.2
    
    
    
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