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What's in the latest Firefox upgrade? Firefox 76 augments password manager to stymie breach impacts


Mozilla this week shipped Firefox 76 with enhanced password protections that include warnings of sites reportedly victimized by criminals as well as alerts if users rely on passwords known to have been leaked in breaches of other sites or services.

Engineers also patched 11 vulnerabilities, three labeled “Critical,” Firefox’s most-serious label, and another trio marked “High,” the next level down. One of the critical flaws was reported by noted researcher James Forshaw of Google’s Project Zero, and affected only the Windows version of the browser.

“The Firefox content processes did not sufficiently lockdown access control which could result in a sandbox escape,” Mozilla said in the accompanying advisory.

Firefox 76 can be downloaded for Windows, macOS and Linux from Mozilla’s site. Because Firefox updates in the background, most users can simply relaunch the browser to get the latest version. To manually update on Windows, pull up the menu under the three horizontal bars at the upper right, then click the help icon (the question mark within a circle). Choose “About Firefox.” (On macOS, “About Firefox” can be found under the “Firefox” menu.) The resulting page shows that the browser is either up to date or describes the refresh process.

Mozilla now upgrades Firefox every four weeks, a significantly faster tempo than Google’s Chrome or Microsoft’s Edge. Mozilla last upgraded the browser on April 7.

Breach, reuse warnings now flash in password manager

The notable enhancements to Firefox 76 took place within its password manager, dubbed Lockwise, an area of emphasis for Mozilla in the past.

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