This update for webkit2gtk3 to version 2.22.6 fixes the following issues (boo#1124937 boo#1119558):

Security vulnerabilities fixed:

- CVE-2018-4437: Processing maliciously crafted web content may lead to
arbitrary code execution. Multiple memory corruption issues were addressed
with improved memory handling. (boo#1119553)
- CVE-2018-4438: Processing maliciously crafted web content may lead to
arbitrary code execution. A logic issue existed resulting in memory
corruption. This was addressed with improved state management. (boo#1119554)
- CVE-2018-4441: Processing maliciously crafted web content may lead to
arbitrary code execution. A memory corruption issue was addressed with
improved memory handling. (boo#1119555)
- CVE-2018-4442: Processing maliciously crafted web content may lead to
arbitrary code execution. A memory corruption issue was addressed with
improved memory handling. (boo#1119556)
- CVE-2018-4443: Processing maliciously crafted web content may lead to
arbitrary code execution. A memory corruption issue was addressed with
improved memory handling. (boo#1119557)
- CVE-2018-4464: Processing maliciously crafted web content may lead to
arbitrary code execution. Multiple memory corruption issues were addressed
with improved memory handling. (boo#1119558)
- CVE-2019-6212: Processing maliciously crafted web content may lead to
arbitrary code execution. Multiple memory corruption issues were addressed
with improved memory handling.
- CVE-2019-6215: Processing maliciously crafted web content may lead to
arbitrary code execution. A type confusion issue was addressed with improved
memory handling.
- CVE-2019-6216: Processing maliciously crafted web content may lead to
arbitrary code execution. Multiple memory corruption issues were addressed
with improved memory handling.
- CVE-2019-6217: Processing maliciously crafted web content may lead to
arbitrary code execution. Multiple memory corruption issues were addressed
with improved memory handling.
- CVE-2019-6226: Processing maliciously crafted web content may lead to
arbitrary code execution. Multiple memory corruption issues were addressed
with improved memory handling.
- CVE-2019-6227: Processing maliciously crafted web content may lead to
arbitrary code execution. A memory corruption issue was addressed with
improved memory handling.
- CVE-2019-6229: Processing maliciously crafted web content may lead to
universal cross site scripting. A logic issue was addressed with improved
validation.
- CVE-2019-6233: Processing maliciously crafted web content may lead to
arbitrary code execution. A memory corruption issue was addressed with
improved memory handling.
- CVE-2019-6234: Processing maliciously crafted web content may lead to
arbitrary code execution. A memory corruption issue was addressed with
improved memory handling.

Other bug fixes and changes:

- Make kinetic scrolling slow down smoothly when reaching the ends of pages,
instead of abruptly, to better match the GTK+ behaviour.
- Fix Web inspector magnifier under Wayland.
- Fix garbled rendering of some websites (e.g. YouTube) while scrolling under
X11.
- Fix several crashes, race conditions, and rendering issues.

For a detailed list of changes, please refer to:

- https://webkitgtk.org/security/WSA-2019-0001.html
- https://webkitgtk.org/2019/02/09/webkitgtk2.22.6-released.html
- https://webkitgtk.org/security/WSA-2018-0009.html
- https://webkitgtk.org/2018/12/13/webkitgtk2.22.5-released.html

This update was imported from the SUSE:SLE-15:Update update project.