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    Ubuntu 4422-1: WebKitGTK+ vulnerabilities

    Date
    226
    Posted By
    Several security issues were fixed in WebKitGTK.
    ==========================================================================
    Ubuntu Security Notice USN-4422-1
    July 14, 2020
    
    webkit2gtk vulnerabilities
    ==========================================================================
    
    A security issue affects these releases of Ubuntu and its derivatives:
    
    - Ubuntu 20.04 LTS
    - Ubuntu 19.10
    - Ubuntu 18.04 LTS
    
    Summary:
    
    Several security issues were fixed in WebKitGTK.
    
    Software Description:
    - webkit2gtk: Web content engine library for GTK+
    
    Details:
    
    A large number of security issues were discovered in the WebKitGTK Web and
    JavaScript engines. If a user were tricked into viewing a malicious
    website, a remote attacker could exploit a variety of issues related to web
    browser security, including cross-site scripting attacks, denial of service
    attacks, and arbitrary code execution.
    
    Update instructions:
    
    The problem can be corrected by updating your system to the following
    package versions:
    
    Ubuntu 20.04 LTS:
      libjavascriptcoregtk-4.0-18     2.28.3-0ubuntu0.20.04.1
      libwebkit2gtk-4.0-37            2.28.3-0ubuntu0.20.04.1
    
    Ubuntu 19.10:
      libjavascriptcoregtk-4.0-18     2.28.3-0ubuntu0.19.10.1
      libwebkit2gtk-4.0-37            2.28.3-0ubuntu0.19.10.1
    
    Ubuntu 18.04 LTS:
      libjavascriptcoregtk-4.0-18     2.28.3-0ubuntu0.18.04.1
      libwebkit2gtk-4.0-37            2.28.3-0ubuntu0.18.04.1
    
    This update uses a new upstream release, which includes additional bug
    fixes. After a standard system update you need to restart any applications
    that use WebKitGTK, such as Epiphany, to make all the necessary changes.
    
    References:
      https://usn.ubuntu.com/4422-1
      CVE-2020-13753, CVE-2020-9802, CVE-2020-9803, CVE-2020-9805,
      CVE-2020-9806, CVE-2020-9807, CVE-2020-9843, CVE-2020-9850
    
    Package Information:
      https://launchpad.net/ubuntu/+source/webkit2gtk/2.28.3-0ubuntu0.20.04.1
      https://launchpad.net/ubuntu/+source/webkit2gtk/2.28.3-0ubuntu0.19.10.1
      https://launchpad.net/ubuntu/+source/webkit2gtk/2.28.3-0ubuntu0.18.04.1
    
    

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