Ubuntu 3197-1: libgc vulnerability

    Date15 Feb 2017
    CategoryUbuntu
    84
    Posted ByLinuxSecurity Advisories
    Applications using libgc could be made to crash or run programs asyour login.
    ==========================================================================
    Ubuntu Security Notice USN-3197-1
    February 15, 2017
    
    libgc vulnerability
    ==========================================================================
    
    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:
    
    Applications using libgc could be made to crash or run programs as
    your login.
    
    Software Description:
    - libgc: Boehm-Demers-Weiser garbage collecting storage allocator library
    
    Details:
    
    Kuang-che Wu discovered that multiple integer overflow vulnerabilities
    existed in libgc. An attacker could use these to cause a denial of
    service (application crash) or possibly execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 16.10:
      libgc1c2                        1:7.4.2-8ubuntu0.1
    
    Ubuntu 16.04 LTS:
      libgc1c2                        1:7.4.2-7.3ubuntu0.1
    
    Ubuntu 14.04 LTS:
      libgc1c2                        1:7.2d-5ubuntu2.1
    
    Ubuntu 12.04 LTS:
      libgc1c2                        1:7.1-8ubuntu0.12.04.3
    
    After a standard system update you need to restart applications using
    libgc to make all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-3197-1
      CVE-2016-9427
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libgc/1:7.4.2-8ubuntu0.1
      https://launchpad.net/ubuntu/+source/libgc/1:7.4.2-7.3ubuntu0.1
      https://launchpad.net/ubuntu/+source/libgc/1:7.2d-5ubuntu2.1
      https://launchpad.net/ubuntu/+source/libgc/1:7.1-8ubuntu0.12.04.3
    
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