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Hardening Firefox with Anthropic's Red Team

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Hardening Firefox with Anthropic's Red Team

#1
The bugs are the ones that say "using Claude from Anthropic" here: https://www.mozilla.org/en-US/security/advisories/mfsa2026-1...

https://blog.mozilla.org/en/firefox/hardening-firefox-anthro...

https://www.wsj.com/tech/ai/send-us-more-anthropics-claude-s...

Hardening Firefox with Anthropic's Red Team
anthropic.com

Re: Hardening Firefox with Anthropic's Red Team

#2
The fact there is no mention of what were the bugs is a little odd. It'd really be nice to see if this is a "weird never happening edge case" or actual issues. LLMs have uncanny abilities to identify failure patterns that it has seen before, but they are not necessarily meaningful.

Re: Hardening Firefox with Anthropic's Red Team

#5
post #2

The fact there is no mention of what were the bugs is a little odd. It'd really be nice to see if this is a "weird never happening edge case" or actual issues. LLMs have uncanny abilities to identify failure patterns that it has seen before, but they are not necessarily meaningful.

Indeed, without it looks like a fluffy marketing piece.

Re: Hardening Firefox with Anthropic's Red Team

#6
post #2

The fact there is no mention of what were the bugs is a little odd. It'd really be nice to see if this is a "weird never happening edge case" or actual issues. LLMs have uncanny abilities to identify failure patterns that it has seen before, but they are not necessarily meaningful.

I’m guessing it might be some of these: https://www.mozilla.org/en-US/security/advisories/mfsa2026-1...

Re: Hardening Firefox with Anthropic's Red Team

#7
post #2

The fact there is no mention of what were the bugs is a little odd. It'd really be nice to see if this is a "weird never happening edge case" or actual issues. LLMs have uncanny abilities to identify failure patterns that it has seen before, but they are not necessarily meaningful.

I’m guessing it might be some of these: https://www.mozilla.org/en-US/security/advisories/mfsa2026-1...

Yeah, the ones reported by Evyatar Ben Asher et al.

Re: Hardening Firefox with Anthropic's Red Team

#8
post #2

The fact there is no mention of what were the bugs is a little odd. It'd really be nice to see if this is a "weird never happening edge case" or actual issues. LLMs have uncanny abilities to identify failure patterns that it has seen before, but they are not necessarily meaningful.

You can find them linked [1] in the OG article from Anthropic [2].

[1] https://www.mozilla.org/en-US/security/advisories/mfsa2026-1...

[2] https://www.anthropic.com/news/mozilla-firefox-security

Re: Hardening Firefox with Anthropic's Red Team

#10
post #2

The fact there is no mention of what were the bugs is a little odd. It'd really be nice to see if this is a "weird never happening edge case" or actual issues. LLMs have uncanny abilities to identify failure patterns that it has seen before, but they are not necessarily meaningful.

Here's a write-up for one of the bugs they found: https://red.anthropic.com/2026/exploit/
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