Amnesty, Google, and Apple patched a Zero Day WebKit to kernel chain for iPhone iPad 16.4.1 & MacOS Ventura 13.3.1.
To patch your iPhone : settings > search “update” > download and install.
CVE-2023-28205
CVE-2023-28206
https://support.apple.com/en-us/HT213720
https://support.apple.com/en-us/HT213721