USN-4347-1: WebKitGTK vulnerability
webkit2gtk vulnerability
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 – 2.28.2-0ubuntu0.20.04.1
- libwebkit2gtk-4.0-37 – 2.28.2-0ubuntu0.20.04.1
- Ubuntu 19.10
- libjavascriptcoregtk-4.0-18 – 2.28.2-0ubuntu0.19.10.1
- libwebkit2gtk-4.0-37 – 2.28.2-0ubuntu0.19.10.1
- Ubuntu 18.04 LTS
- libjavascriptcoregtk-4.0-18 – 2.28.2-0ubuntu0.18.04.1
- libwebkit2gtk-4.0-37 – 2.28.2-0ubuntu0.18.04.1
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.
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