Friday, January 28, 2022

Ubuntu Security Notice USN-5255-1

Ubuntu Security Notice USN-5255-1
January 27, 2022

webkit2gtk vulnerabilities

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

- Ubuntu 21.10
- Ubuntu 20.04 LTS


Several security issues were fixed in WebKitGTK.

Software Description:
- webkit2gtk: Web content engine library for GTK+


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 21.10:
libjavascriptcoregtk-4.0-18 2.34.4-0ubuntu0.21.10.1
libwebkit2gtk-4.0-37 2.34.4-0ubuntu0.21.10.1

Ubuntu 20.04 LTS:
libjavascriptcoregtk-4.0-18 2.34.4-0ubuntu0.20.04.1
libwebkit2gtk-4.0-37 2.34.4-0ubuntu0.20.04.1

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.

CVE-2021-30934, CVE-2021-30936, CVE-2021-30951, CVE-2021-30952,
CVE-2021-30953, CVE-2021-30954, CVE-2021-30984

Package Information:

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