webkitgtk4 is vulnerable to arbitrary code execution. The vulnerability exists through parsing web content to memory corruption.
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/7.9_release_notes/index
access.redhat.com/errata/RHSA-2020:4035
access.redhat.com/security/updates/classification/#moderate
security.gentoo.org/glsa/202003-22
support.apple.com/HT210721
support.apple.com/HT210723
support.apple.com/HT210725
support.apple.com/HT210726
support.apple.com/HT210727
support.apple.com/HT210728