Mozilla: Anthropic's Mythos Found 271 Security Vulnerabilities in Firefox 150
Mozilla said the Firefox team patched 271 vulnerabilities found with early access to Anthropic's new model as AI bug hunting accelerates.
- On Tuesday, Mozilla released Firefox 150, which includes protections for 271 vulnerabilities identified using early access to Anthropic's Claude Mythos Preview.
- Firefox Chief Technology Officer Bobby Holley stated that emerging AI tools create a necessary 'bootcamp' for software, forcing developers to fix latent vulnerabilities before attackers exploit them.
- Previously using Anthropic's Opus 4.6 model, the team found 22 bugs in Firefox 148, though AI currently cannot identify vulnerabilities that an elite human researcher could not.
- Describing the vulnerability haul as 'light at the end of the tunnel,' Holley asserted that 'defenders finally have a chance to win, decisively' against cyber threats.
- Because every piece of software has bugs now discoverable by AI, The Mozilla Foundation warned that all software must undergo this critical security transition.
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As part of its collaboration with Anthropic, the Mozilla Foundation has had access to the preliminary version of Mythos, a tool that is already changing the situation in the field of cybersecurity according to it. It has detected and corrected 271 flaws in its browser.
Mozilla fixes 271 Firefox vulnerabilities found by Anthropic's Claude Mythos in a single evaluation pass
Summary: Mozilla released Firefox 150 with fixes for 271 security vulnerabilities identified by Anthropic’s Claude Mythos Preview, an unreleased frontier AI model distributed under the restricted Project Glasswing programme. The collaboration began with Claude Opus 4.6 finding 22 bugs in Firefox 148 earlier this year; Mythos produced more than twelve times as many. Firefox CTO […] This story continues at The Next Web
According to experts, specialized AI can help a lot against cyber threats.
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