Ubuntu 1376-1: libxml2 vulnerability

    Date27 Feb 2012
    CategoryUbuntu
    72
    Posted ByLinuxSecurity Advisories
    libxml2 could be made to cause a denial of service by consuming excessive CPU resources.
    ==========================================================================
    Ubuntu Security Notice USN-1376-1
    February 27, 2012
    
    libxml2 vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 11.10
    - Ubuntu 11.04
    - Ubuntu 10.10
    - Ubuntu 10.04 LTS
    - Ubuntu 8.04 LTS
    
    Summary:
    
    libxml2 could be made to cause a denial of service by consuming excessive
    CPU resources.
    
    Software Description:
    - libxml2: GNOME XML library
    
    Details:
    
    Juraj Somorovsky discovered that libxml2 was vulnerable to hash table
    collisions. If a user or application linked against libxml2 were tricked
    into opening a specially crafted XML file, an attacker could cause a
    denial of service.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 11.10:
      libxml2                         2.7.8.dfsg-4ubuntu0.2
    
    Ubuntu 11.04:
      libxml2                         2.7.8.dfsg-2ubuntu0.3
    
    Ubuntu 10.10:
      libxml2                         2.7.7.dfsg-4ubuntu0.4
    
    Ubuntu 10.04 LTS:
      libxml2                         2.7.6.dfsg-1ubuntu1.4
    
    Ubuntu 8.04 LTS:
      libxml2                         2.6.31.dfsg-2ubuntu1.8
    
    After a standard system update you need to reboot your computer to make
    all the necessary changes.
    
    References:
      http://www.ubuntu.com/usn/usn-1376-1
      CVE-2012-0841
    
    Package Information:
      https://launchpad.net/ubuntu/+source/libxml2/2.7.8.dfsg-4ubuntu0.2
      https://launchpad.net/ubuntu/+source/libxml2/2.7.8.dfsg-2ubuntu0.3
      https://launchpad.net/ubuntu/+source/libxml2/2.7.7.dfsg-4ubuntu0.4
      https://launchpad.net/ubuntu/+source/libxml2/2.7.6.dfsg-1ubuntu1.4
      https://launchpad.net/ubuntu/+source/libxml2/2.6.31.dfsg-2ubuntu1.8
    
    
    
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