Fixes the following security issues:
- CVE-2019-8835: Multiple memory corruption issues were addressed with
improved memory handling
- CVE-2019-8844: Multiple memory corruption issues were addressed with
improved memory handling
- CVE-2019-8846: A use after free issue was addressed with improved memory
management
For details, see the advisory:
https://webkitgtk.org/security/WSA-2020-0001.html
Drop now upstreamed patch.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
9412a38fec