Urgent! Apple fixes critical zero-day hole in iPhones, iPads and Macs

Don't delay, do it today. This is a code-implantation bug in WebKit that attackers already know how to exploit.

URGENT! Apple slips out zero-day update for older iPhones and iPads

Patch as soon as you can - that recent WebKit zero-day affecting new iPhones and iPads is apparently being used against older models, too.

Serious Security: Apple Safari leaks private data via database API – what you need to know

There's a tiny data leakage bug in the WebKit browser engine... but it could act as a "supercookie" identifier for your browsing