========================================================================== Ubuntu Security Notice USN-3460-1 October 23, 2017 webkit2gtk vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 17.04 - Ubuntu 16.04 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 17.04: libjavascriptcoregtk-4.0-18 2.18.0-0ubuntu0.17.04.2 libwebkit2gtk-4.0-37 2.18.0-0ubuntu0.17.04.2 Ubuntu 16.04 LTS: libjavascriptcoregtk-4.0-18 2.18.0-0ubuntu0.16.04.2 libwebkit2gtk-4.0-37 2.18.0-0ubuntu0.16.04.2 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-3460-1 CVE-2017-7087, CVE-2017-7089, CVE-2017-7090, CVE-2017-7091, CVE-2017-7092, CVE-2017-7093, CVE-2017-7095, CVE-2017-7096, CVE-2017-7098, CVE-2017-7100, CVE-2017-7102, CVE-2017-7104, CVE-2017-7107, CVE-2017-7109, CVE-2017-7111, CVE-2017-7117, CVE-2017-7120 Package Information: https://launchpad.net/ubuntu/+source/webkit2gtk/2.18.0-0ubuntu0.17.04.2 https://launchpad.net/ubuntu/+source/webkit2gtk/2.18.0-0ubuntu0.16.04.2