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    Ubuntu 4560-1: Gon gem vulnerability

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    Gon gem could be made to run programs if it received specially crafted network traffic.
    ==========================================================================
    Ubuntu Security Notice USN-4560-1
    September 30, 2020
    
    ruby-gon vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 18.04 LTS
    
    Summary:
    
    Gon gem could be made to run programs if it received specially crafted network
    traffic.
    
    Software Description:
    - ruby-gon: Ruby library to send data to JavaScript from a Ruby application
    
    Details:
    
    It was discovered that Gon gem did not properly escape certain input. An
    attacker could use this vulnerability to execute a cross-site scripting
    (XSS) attack.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 18.04 LTS:
      ruby-gon                        6.1.0-1+deb9u1build0.18.04.1
    
    In general, a standard system update will make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4560-1
      CVE-2020-25739
    
    Package Information:
      https://launchpad.net/ubuntu/+source/ruby-gon/6.1.0-1+deb9u1build0.18.04.1
    
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