A buffer overflow issue was addressed with improved memory handling. This issue is fixed in Safari 16, iOS 16, iOS 15.7 and iPadOS 15.7. Processing maliciously crafted web content may lead to arbitrary code execution.
https://support.apple.com/en-us/HT213442
https://support.apple.com/en-us/HT213445
https://support.apple.com/en-us/HT213446
https://www.debian.org/security/2022/dsa-5241
https://www.debian.org/security/2022/dsa-5240
https://lists.debian.org/debian-lts-announce/2022/09/msg00034.html