This update for webkit2gtk3 fixes the following issues:
- CVE-2021-30846: Fixed memory corruption issue that could lead to arbitrary code execution when processing maliciously crafted web content (bsc#1192063). - CVE-2021-30851: Fixed memory corruption vulnerability that could lead to arbitrary code execution when processing maliciously crafted web content (bsc#1192063). - CVE-2021-42762: Updated seccomp rules with latest changes from flatpak (bsc#1191937).