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The Deathray: A simple way for an untrusted site to freeze a Mac

https://auberon.xyz/blog/posts/deathray/
40•auberonedu•4h ago

Comments

ilnmtlbnm•3h ago
Amazing!

I encountered the same type of death freeze when trying (and failing) to run models in browser tabs, but didn't spend much time trying to understand how severe it is.

Hope they don't disable WebGPU...

fuzzfactor•3h ago
Maybe that would be better than a meltdown . . .
selectodude•39m ago
Zero impact on iOS 27.
iAMkenough•25m ago
Still impacts macOS 27 release candidate.
hyperhello•31m ago
The code is just an infinite loop counter. You can cause all kinds of Safari issues with an infinite loop in JavaScript too, which is sure annoying when trying to figure out large codebases. There was a student in Japan who showed that you could do this trivially and they were arrested.
SahAssar•16m ago
Usually you can't freeze the whole system UI with an infinite counter though. I'm pretty sure normal JS browser processes are not supposed to be able to do that.
monster_truck•12m ago
Remember when that unicode string nuked iOS 7 and you could set it as your SSID to get them stuck in a loop? good times.
TedDoesntTalk•4m ago
Is this why Oregon Trail Deluxe freezes on Mac?

https://oregontrail.ws/games/the-oregon-trail-deluxe/play/

sgentle•2m ago
Could be a useful way to force user-interaction-gated flows. A "your computer is infected, click this button in 10 seconds or it will crash" type button which, at this point, most modestly-knowledgeable users would know not to click. However, after seeing their computer actually crash when the countdown hits 0, perhaps they would be more inclined to click "allow" on whatever prompt follows when they see it again.

Of course, plenty of other uses. Disable your adblocker or we crash your computer. Watch the whole ad or we crash your computer. Click the follow button or we crash your computer.

Maybe I'm crazy, but "crash your computer" as a building block seems powerful enough to be a security issue. Is denial of service not a security thing anymore?

Shopify is moving from React Native back to Swift and Kotlin

https://shopify.engineering/back-to-native
690•fnthawar2•9h ago•459 comments

More questions about whether researchers can trust OpenAI with unpublished math

https://mathstodon.xyz/@andreasthom/117240535270608201
586•pred_•16h ago•586 comments

The Deathray: A simple way for an untrusted site to freeze a Mac

https://auberon.xyz/blog/posts/deathray/
40•auberonedu•4h ago•9 comments

OpenAI Agents API

https://developers.openai.com/api/docs/guides/agents-api/overview
84•aquir•4h ago•60 comments

Cognition launches new SWE-2 model, Rivaling Fable 5.1 and GPT-Astra

https://cognition.com/blog/swe-2
339•seelos•8h ago•140 comments

Don't let anyone take away your big box of cables

https://blog.jim-nielsen.com/2026/hands-off-my-cables/
267•Brajeshwar•8h ago•219 comments

Technique for Manipulating Satellite Photos Now Reveals Ancient Images (2025)

https://spinoff.nasa.gov/Manipulating_Satellite_Photos_Now_Reveals_Ancient_Images
247•gumby•8h ago•36 comments

Proof of Capture: Apple Reference Image, but open source and using steganography

https://merybenavente.me/blog/proof-of-capture
54•merybenavente•3h ago•38 comments

OpenAI’s Navier-Stokes release included a Lean 4 formal proof

https://www.johndcook.com/blog/2026/09/09/formal-method-revolution/
119•ibobev•2h ago•115 comments

Music Theory for the 21st-Century Classroom

https://musictheory.pugetsound.edu/mt21c/MusicTheory.html
139•aanet•6h ago•63 comments

Bodily Oddities

https://vester.si/bodily-oddities/
40•vesterde•3h ago•28 comments

Recursion into madness

https://blog.coredump.cx/p/recursion-into-madness
22•surprisetalk•3d ago•5 comments

Forgejo <=16.0.3 Critical RCE

https://codeberg.org/forgejo/forgejo/src/branch/forgejo/release-notes-published/16.0.4.md
139•weierstass•7h ago•51 comments

Neki – Sharded Postgres

https://planetscale.com/blog/introducing-neki
188•simon_weber•7h ago•97 comments

Hitachi launches CO2 heat pump water heaters with solar-friendly tariff controls

https://www.pv-magazine.com/2026/09/07/hitachi-launches-co2-heat-pump-water-heaters-with-solar-fr...
278•thelastgallon•1d ago•217 comments

Show HN: Vertumnus – printable posters of farmers' market produce seasonality

https://vertumnus.fyi
20•perspectivezoom•2d ago•6 comments

Rust is tier-1 language at Microsoft

https://rustfoundation.org/media/guest-post-rust-is-tier-1-language-at-microsoft/
580•mmastrac•10h ago•319 comments

What happens when a GPU writes memory

https://blog.doubleword.ai/what-happens-when-a-gpu-writes-memory
32•ibobev•2d ago•1 comments

Show HN: A browser IDE for m68000, Z80 assembly (and more), with graphics

https://asm-editor.specy.app/
9•specy•2d ago•1 comments

JEP 544: Ahead-of-Time Code Compilation

https://openjdk.org/jeps/544
65•Skinney•6h ago•24 comments

Silicon Valley is transforming the military-industrial complex?

https://costsofwar.watson.brown.edu/paper/how-big-tech-and-silicon-valley-are-transforming-milita...
140•paimapi•7h ago•271 comments

Detecting and countering misuse of AI: September 2026

https://www.anthropic.com/threat-intelligence-report-september-2026
66•garo-pro•6h ago•130 comments

iPhone Duo

https://www.apple.com/iphone-duo/
1403•thecosmicfrog•1d ago•2424 comments

Douglas Hofstadter: Analogy as the Core of Cognition [video]

https://www.youtube.com/watch?v=n8m7lFQ3njk
127•tosh•4d ago•69 comments

What algorithm did Windows XP use to choose your initial user picture?

https://devblogs.microsoft.com/oldnewthing/20260909-00/?p=112683
335•soheilpro•14h ago•164 comments

Creativity is the new moat

https://www.inventbuild.studio/blog/genuine-creativity-is-your-new-moat
117•virgil_disgr4ce•4h ago•62 comments

Cognition's SWE-2 achieves 92.8 on Terminal-Bench 2.1

https://tokenstead.ai/models/swe-2
53•cdnsteve•6h ago•24 comments

Stockfish 19

https://stockfishchess.org/blog/2026/stockfish-19/
261•atiedebee•3d ago•148 comments

List of references on Sony websites to players "owning" their digital games

https://consumerrights.wiki/w/Sony_PlayStation_digital_game_ownership_lawsuit
349•haunter•11h ago•115 comments

Schemy Lisp En DOS

https://sled.neocities.org/
77•AlexeyBrin•4d ago•18 comments