How fast does iMessage image decoding need to be? And I mean this extremely rhet... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		Dylan16807 on Sept 7, 2023 \| parent \| context \| favorite \| on: NSO group iPhone zero-click, zero-day exploit capt... How fast does iMessage image decoding need to be? And I mean this extremely rhetorically. The software launched along with the iPhone 4S. Going by geekbench, that CPU was 20-30 times weaker than a modern iPhone on a per-core basis. I know the screens on the new phones are 5x bigger, but there is plenty of room for that sandbox.

hot_gril on Sept 7, 2023 [–]

I'm guessing it's a shared systemwide decoder that happens to be exploitable in Message, but idk.

saagarjha on Sept 8, 2023 | [–]

That's correct, it's the WebP parser.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact