Simon Willison’s Weblog

Mac OS X URI Handler Arbitrary Code Execution (via) Very nasty: affects all web browsers, allows compromise by malicious web sites.

Posted 18th May 2004 at 3:39 pm

Recent articles

Embracing the parallel coding agent lifestyle - 5th October 2025
Designing agentic loops - 30th September 2025
Claude Sonnet 4.5 is probably the "best coding model in the world" (at least for now) - 29th September 2025

osx 80 security 551

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