Arch Linux: 202002-7 Critical: Webkit2gtk Arbitrary Code Execution

Arch Linux Security Advisory ASA-202002-7
========================================
Severity: Critical
Date    : 2020-02-12
CVE-ID  : CVE-2019-8835 CVE-2019-8844 CVE-2019-8846
Package : webkit2gtk
Type    : arbitrary code execution
Remote  : Yes
Link    : https://security.archlinux.org/AVG-1098

Summary
======
The package webkit2gtk before version 2.26.3-1 is vulnerable to
arbitrary code execution.

Resolution
=========
Upgrade to 2.26.3-1.

# pacman -Syu "webkit2gtk>=2.26.3-1"

The problems have been fixed upstream in version 2.26.3.

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

Description
==========
- CVE-2019-8835 (arbitrary code execution)

Multiple memory corruption issues have been found in WebKitGTK before
2.26.3, where processing maliciously crafted web content may lead to
arbitrary code execution.

- CVE-2019-8844 (arbitrary code execution)

Multiple memory corruption issues have been found in WebKitGTK before
2.26.3, where processing maliciously crafted web content may lead to
arbitrary code execution.

- CVE-2019-8846 (arbitrary code execution)

Multiple memory corruption issues have been found in WebKitGTK before
2.26.3, where processing maliciously crafted web content may lead to
arbitrary code execution.

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

References
=========
https://webkitgtk.org/security/WSA-2020-0001.html
https://webkitgtk.org/security/WSA-2020-0001.html#CVE-2019-8835
https://webkitgtk.org/security/WSA-2020-0001.html#CVE-2019-8844
https://webkitgtk.org/security/WSA-2020-0001.html#CVE-2019-8846
https://security.archlinux.org/CVE-2019-8835
https://security.archlinux.org/CVE-2019-8844
https://security.archlinux.org/CVE-2019-8846