========================================================================== Ubuntu Security Notice USN-3551-1 January 30, 2018 webkit2gtk vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 17.10 - Ubuntu 16.04 LTS Summary: Several security issues were fixed in WebKitGTK+. Software Description: - webkit2gtk: Web content engine library for GTK+ Details: Multiple security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, spoof the user interface, or execute arbitrary code. (CVE-2018-4088, CVE-2018-4096, CVE-2017-7153, CVE-2017-7160, CVE-2017-7161, CVE-2017-7165, CVE-2017-13884, CVE-2017-13885) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 17.10: libjavascriptcoregtk-4.0-18 2.18.6-0ubuntu0.17.10.1 libwebkit2gtk-4.0-37 2.18.6-0ubuntu0.17.10.1 Ubuntu 16.04 LTS: libjavascriptcoregtk-4.0-18 2.18.6-0ubuntu0.16.04.1 libwebkit2gtk-4.0-37 2.18.6-0ubuntu0.16.04.1 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://www.ubuntu.com/usn/usn-3551-1 CVE-2017-13884, CVE-2017-13885, CVE-2017-7153, CVE-2017-7160, CVE-2017-7161, CVE-2017-7165, CVE-2018-4088, CVE-2018-4096 Package Information: https://launchpad.net/ubuntu/+source/webkit2gtk/2.18.6-0ubuntu0.17.10.1 https://launchpad.net/ubuntu/+source/webkit2gtk/2.18.6-0ubuntu0.16.04.1