Ubuntu 4317-1: Firefox vulnerabilities

    Date 04 Apr 2020
    749
    Posted By LinuxSecurity Advisories
    Firefox could be made to crash or run programs as your login if it opened a malicious website.
    ==========================================================================
    Ubuntu Security Notice USN-4317-1
    April 04, 2020
    
    firefox vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 19.10
    - 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:
    
    Two use-after-free bugs were discovered in Firefox. If a user were tricked
    in to opening a specially crafted website, an attacker could exploit these
    to cause a denial of service or execute arbitrary code.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 19.10:
      firefox                         74.0.1+build1-0ubuntu0.19.10.1
    
    Ubuntu 18.04 LTS:
      firefox                         74.0.1+build1-0ubuntu0.18.04.1
    
    Ubuntu 16.04 LTS:
      firefox                         74.0.1+build1-0ubuntu0.16.04.1
    
    After a standard system update you need to restart Firefox to make
    all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4317-1
      CVE-2020-6819, CVE-2020-6820
    
    Package Information:
    
    https://launchpad.net/ubuntu/+source/firefox/74.0.1+build1-0ubuntu0.19.10.1
    
    https://launchpad.net/ubuntu/+source/firefox/74.0.1+build1-0ubuntu0.18.04.1
    
    https://launchpad.net/ubuntu/+source/firefox/74.0.1+build1-0ubuntu0.16.04.1
    
    

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