webkit2gtk vulnerabilities
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 - 2.28.3-0ubuntu0.20.04.1
libwebkit2gtk-4.0-37 - 2.28.3-0ubuntu0.20.04.1
Ubuntu 19.10
libjavascriptcoregtk-4.0-18 - 2.28.3-0ubuntu0.19.10.1
libwebkit2gtk-4.0-37 - 2.28.3-0ubuntu0.19.10.1
Ubuntu 18.04 LTS
libjavascriptcoregtk-4.0-18 - 2.28.3-0ubuntu0.18.04.1
libwebkit2gtk-4.0-37 - 2.28.3-0ubuntu0.18.04.1
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
* CVE-2020-13753
* CVE-2020-9802
* CVE-2020-9803
* CVE-2020-9805
* CVE-2020-9806
* CVE-2020-9807
* CVE-2020-9843
* CVE-2020-9850
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