Claude AI Exposes 22 Firefox Vulnerabilities in Just Two Weeks
ID: e8e190a6-24a3-5a43-a9ff-6152709bb3a1
STIX ID: report--e8e190a6-24a3-5a43-a9ff-6152709bb3a1
Feed Name: GBHackers
Threat Score
Anthropic's Claude Opus 4.6 autonomously analyzed ~6,000 C++ files in Firefox's JavaScript engine and found 22 security flaws (14 classified high-severity), including a critical use-after-free; the AI submitted 112 Bugzilla reports and attempted automated exploit development but achieved only 2 limited successes in an environment that bypassed Firefox sandboxing, and Mozilla patched the issues in Firefox 148.0.
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