Arch Linux: ASA-201811-20 Critical: Webkit2gtk Arbitrary Code Execution

Arch Linux Security Advisory ASA-201811-20
=========================================
Severity: Critical
Date    : 2018-11-22
CVE-ID  : CVE-2018-4372
Package : webkit2gtk
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-819

Summary
======
The package webkit2gtk before version 2.22.4-1 is vulnerable to
arbitrary code execution.

Resolution
=========
Upgrade to 2.22.4-1.

# pacman -Syu "webkit2gtk>=2.22.4-1"

The problem has been fixed upstream in version 2.22.4.

Workaround
=========
None.

Description
==========
Multiple memory corruption issues have been found in WebKitGTK+
versions prior to 2.22.4, possibly leading to arbitrary code execution
while parsing crafted web content.

Impact
=====
A remote attacker can execute arbitrary code on the affected host via a
crafted web content.

References
=========
https://webkitgtk.org/security/WSA-2018-0008.html
https://webkitgtk.org/security/WSA-2018-0008.html#CVE-2018-4372
https://security.archlinux.org/CVE-2018-4372