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Did they allocate the same number of tokens to looking with Claude 4.6? Or did they find more because they looked more, owing to a special initative by Anthropic?
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No, not really. Mythos found 3 CVEs, not 271.

https://www.flyingpenguin.com/mythos-mystery-in-mozilla-numb...

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The Mozilla team responded to that argument here: https://hacks.mozilla.org/2026/05/behind-the-scenes-hardenin... - in the FAQ.
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I think you're confusing CVEs and vulnerabilities here? Mozilla (per their longstanding practice) grouped multiple vulnerabilities found internally under a small number of CVEs.
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> over ten times more than they found in Firefox 148 with Claude Opus 4.6

And how much with Opus 4.7? 5x?

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