USN-4178-1: WebKitGTK+ vulnerabilities

webkit2gtk vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 19.04
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 19.04: libjavascriptcoregtk-4.0-18 – 2.26.1-0ubuntu0.19.04.3; libwebkit2gtk-4.0-37 – 2.26.1-0ubuntu0.19.04.3
Ubuntu 18.04 LTS: libjavascriptcoregtk-4.0-18 – 2.26.1-0ubuntu0.18.04.1; libwebkit2gtk-4.0-37 – 2.26.1-0ubuntu0.18.04.1

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.

References

Source: USN-4178-1: WebKitGTK+ vulnerabilities

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