Mozilla: Anthropic's Mythos found 271 security vulnerabilities in Firefox 150
CTO says new AI model is "every bit as capable" as world's best security researchers.
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RFK Jr probably thinks those vulnerabilities are just Firefox's way of building natural immunity.
That's a cute joke but RFK Jr's actual position on software security would probably be worse, since he'd find some way to blame it on regulatory overreach instead of admitting technical complexity requires experts.
This is genuinely impressive but also terrifying? Like if an AI can find 271 bugs Mozilla missed, what else is vulnerable out there that we have no idea about.
271 bugs is a lot but I want to know how many of those were actually serious vs like, minor stuff that would never get exploited anyway.
If this is real, it raises some uncomfortable questions about what Mozilla's own security testing pipeline actually looks like right now.
The real question is whether Mozilla's internal testing just isn't as rigorous as an external AI sweep, or if they're deliberately deprioritizing security work to ship faster.
Nah, that's not a fair either/or, external AI sweeps find stuff internal teams miss all the time just because fresh eyes catch different patterns, doesn't mean Mozilla's being lazy about it.
If Anthropic's tool found 271 in one pass, Mozilla's pipeline either isn't running the same tests or isn't sharing results publicly, which is somehow worse.
Mozilla's been running those tests forever, so either Anthropic's tool is legit better or they're counting stuff differently, but yeah the lack of transparency is sus.
So Mozilla found these before anyone else exploited them, or are you saying their internal team missed 271 bugs that an outside researcher caught?
If Mozilla is actually patching 271 vulnerabilities that an AI found, that's either a massive validation of the tool or a sign they've been sloppy about their own audits. Probably both.
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pretty wild that an AI model can catch that many bugs at once. wonder how many of those were actually critical vs false positives though.
hard to judge without seeing the severity breakdown, but 271 does sound padded if most are low-level stuff.
yeah 271 sounds like it includes a ton of low-severity stuff, the breakdown matters way more than the headline number
nope, 271 vulnerabilities in a browser is 271 problems with my security, doesn't matter if some are "low-severity", they're still vectors that can get exploited or chained together, and Mozilla should be fixing them all instead of letting them pile up like this.
You're right that severity breakdown matters, but Mozilla's been pretty transparent about that stuff when they drop these reports, so if Ars isn't drilling into critical vs minor, that's on them not on Anthropic's findings being inflated.
Mozilla's disclosures are usually pretty detailed, but Ars often cuts corners on the full breakdown when it's not the headline-grabbing number.
most of those are probably minor, but the real issue is mozilla should've caught them before needing an outside ai to do their job.