Claude found 22 security flaws in Firefox in two weeks
In a partnership with Mozilla, Claude Opus 4.6 found Firefox vulnerabilities, 14 of them high-severity.
What was found?
In a security partnership with Mozilla, Anthropic's team used Claude Opus 4.6 to find 22 vulnerabilities in the Firefox browser over two weeks.
- 14 were rated high-severity.
- The work started with the JavaScript engine.
Were they fixed?
Yes. Most were fixed in Firefox 148, released in February. A few fixes are coming in the next release.
Can Claude hack?
Anthropic spent $4,000 in API credits having Claude build proof-of-concept exploits for the bugs. Claude succeeded in only two cases.
In other words, AI is very good at finding vulnerabilities but still weak at turning them into working attacks.
For you
If you use Firefox, make sure you are on the latest version.
Founder and editor-in-chief of Kurd Developers. Phone and tech news on YouTube, Instagram and TikTok.
More stories
One text can break your phone: Android's 'SMS of Death' explained
A flaw in Android 12 and later lets a specially crafted SMS drop calls and even make a phone unusable. The fix is in October's security patch.
GTA VI lands November 19: prices, editions and what to know
Rockstar has locked the date: Thursday, November 19 on PS5 and Xbox Series X|S. Standard costs $79.99 and Ultimate $99.99.
Apple's first touchscreen MacBook Pro brings OLED and Dynamic Island
The new PROLED XDR display responds to touch, the notch is gone and Dynamic Island takes its place. Prices start at $2,899.
The $1,999 iPhone Duo Has a Black-Bar Problem, and Fixing It Is Harder Than It Looks
Apple's first foldable is a hardware flex. But unfold it and many of your apps shrink into a phone-shaped window floating in black. Here's why the app world wasn't ready, and why developers can't just hit "stretch".