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Mozilla Used Anthropic’s Mythos to Find and Fix 271 Bugs in Firefox

Upstract [Unofficial] April 21, 2026
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Amid a raging debate over the impact that new AI models will have on cybersecurity, Mozilla said on Tuesday that its Firefox 150 browser release this week includes protections for 271 vulnerabilities identified using early access to Anthropic's Mythos Preview. The Firefox team says that it has…

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