Security · 1h ago
Chrome 148 Math.tanh Leaks OS Info via Fingerprinting
Chrome 148's Math.tanh function now returns OS-specific results, enabling fingerprinting. This subtle behavioral difference can link a user's browser to their underlying operating system. The change raises privacy concerns for users relying on browser anonymity.
Meridian48 take
While a niche exploit, this highlights how even mathematical functions can be weaponized for tracking—a reminder that fingerprinting surfaces are everywhere.
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Since Chronium 148, Math.tanh is now fingerprintable to link underlying OS →
Hacker News
browser-fingerprintingchrome-privacy