QID 355438

a logic issue was addressed with improved state management. (
( CVE-2020-22592) a use after free issue was addressed with improved memory management.
This issue is fixed in macos big sur 11.0.1, watchos 7.1, ios 14.2 and ipados 14.2, icloud for windows 11.5, safari 14.0.1, tvos 14.2, itunes 12.11 for windows.
Processing maliciously crafted web content may lead to arbitrary code execution. (
( CVE-2020-27918) "clear history and website data" did not clear the history.
The issue was addressed with improved data deletion.
This issue is fixed in macos big sur 11.1, security update 2020-001 catalina, security update 2020-007 mojave, ios 14.3 and ipados 14.3, tvos 14.3.
A user may be unable to fully delete browsing history. (
( CVE-2020-29623) this issue was addressed with improved iframe sandbox enforcement.
This issue is fixed in macos big sur 11.2, security update 2021-001 catalina, security update 2021-001 mojave.
Maliciously crafted web content may violate iframe sandboxing policy. (
( CVE-2021-1765) a use after free issue was addressed with improved memory management.
This issue is fixed in macos big sur 11.2, security update 2021-001 catalina, security update 2021-001 mojave, tvos 14.4, watchos 7.3, ios 14.4 and ipados 14.4, safari 14.0.3.
( CVE-2021-1788) a type confusion issue was addressed with improved state handling.
( CVE-2021-1789) a port redirection issue was found in webkitgtk and wpe webkit in versions prior to 2.30.6.
A malicious website may be able to access restricted ports on arbitrary servers.
The highest threat from this vulnerability is to data integrity. (
( CVE-2021-1799) this issue was addressed with improved iframe sandbox enforcement.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.