Claude Mythos Has Found 271 Zero-Days in Firefox
ID: a82e1398-2465-54b2-b8d6-352bb3d044cb
STIX ID: report--a82e1398-2465-54b2-b8d6-352bb3d044cb
Feed Name: Schneier on Security
Threat Score
Firefox 150 includes fixes for 271 vulnerabilities discovered using Anthropic's Claude Mythos AI; Mozilla reports the large-scale automated discovery and remediation effort, framing the outcome as a significant defensive advantage even as the volume of findings creates operational pressure for rapid patching.
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