Simon Willison’s Weblog

Critical Mozilla Vulnerabilities Fixed in New Versions. Various buffer overflows, fixed in Firefox PR 1.0.

Posted 15th September 2004 at 9:49 pm

Recent articles

Wilson Lin on FastRender: a browser built by thousands of parallel agents - 23rd January 2026
First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe