Ubuntu 4423-1: Firefox vulnerability

    Date 14 Jul 2020
    154
    Posted By LinuxSecurity Advisories
    A X-Frame-Options bypass was discovered in Firefox.
    ==========================================================================
    Ubuntu Security Notice USN-4423-1
    July 14, 2020
    
    firefox vulnerability
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    A X-Frame-Options bypass was discovered in Firefox.
    
    Software Description:
    - firefox: Mozilla Open Source web browser
    
    Details:
    
    It was discovered that X-Frame-Options could be bypassed in some
    circumstances. If a user were tricked in to opening a specially crafted
    website, an attacker could potentially exploit this to conduct
    clickjacking attacks.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      firefox                         78.0.2+build2-0ubuntu0.20.04.1
    
    Ubuntu 19.10:
      firefox                         78.0.2+build2-0ubuntu0.19.10.1
    
    Ubuntu 18.04 LTS:
      firefox                         78.0.2+build2-0ubuntu0.18.04.1
    
    Ubuntu 16.04 LTS:
      firefox                         78.0.2+build2-0ubuntu0.16.04.1
    
    After a standard system update you need to restart Firefox to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4423-1
      https://launchpad.net/bugs/1887576
    
    Package Information:
    
    https://launchpad.net/ubuntu/+source/firefox/78.0.2+build2-0ubuntu0.20.04.1
    
    https://launchpad.net/ubuntu/+source/firefox/78.0.2+build2-0ubuntu0.19.10.1
    
    https://launchpad.net/ubuntu/+source/firefox/78.0.2+build2-0ubuntu0.18.04.1
    
    https://launchpad.net/ubuntu/+source/firefox/78.0.2+build2-0ubuntu0.16.04.1
    
    

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