USN-3551-1: WebKitGTK+ vulnerabilities
Ubuntu Security Notice USN-3551-1
30th January, 2018
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 17.10
- Ubuntu 16.04 LTS
Several security issues were fixed in WebKitGTK+.
- webkit2gtk - Web content engine library for GTK+
Multiple security issues were discovered in the WebKitGTK+ Web and
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)
The problem can be corrected by updating your system to the following package version:
- Ubuntu 17.10:
- libwebkit2gtk-4.0-37 2.18.6-0ubuntu0.17.10.1
- Ubuntu 16.04 LTS:
- libwebkit2gtk-4.0-37 2.18.6-0ubuntu0.16.04.1
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
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.