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    Ubuntu 4546-1: Firefox vulnerabilities

    Date
    109
    Posted By
    Firefox could be made to crash or run programs as your login if it opened a malicious website.
    ==========================================================================
    Ubuntu Security Notice USN-4546-1
    September 28, 2020
    
    firefox vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 18.04 LTS
    - Ubuntu 16.04 LTS
    
    Summary:
    
    Firefox could be made to crash or run programs as your login if it
    opened a malicious website.
    
    Software Description:
    - firefox: Mozilla Open Source web browser
    
    Details:
    
    Multiple security issues were discovered in Firefox. If a user were
    tricked in to opening a specially crafted website, an attacker could
    potentially exploit these to cause a denial of service, conduct cross-site
    scripting (XSS) attacks, spoof the site displayed in the download dialog,
    or execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      firefox                         81.0+build2-0ubuntu0.20.04.1
    
    Ubuntu 18.04 LTS:
      firefox                         81.0+build2-0ubuntu0.18.04.1
    
    Ubuntu 16.04 LTS:
      firefox                         81.0+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/4546-1
      CVE-2020-15673, CVE-2020-15674, CVE-2020-15675, CVE-2020-15676,
      CVE-2020-15677, CVE-2020-15678
    
    Package Information:
      https://launchpad.net/ubuntu/+source/firefox/81.0+build2-0ubuntu0.20.04.1
      https://launchpad.net/ubuntu/+source/firefox/81.0+build2-0ubuntu0.18.04.1
      https://launchpad.net/ubuntu/+source/firefox/81.0+build2-0ubuntu0.16.04.1
    
    

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